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⭐6M influencer listings 🏢74.4K sponsor listings 🌍85.4B combined audience reach 📊13 platforms indexed 🗺️130+ countries covered 🏷️10,000+ niches 🦋2.7M Bluesky creators 🎙️1.3M podcast creators 🟣988K Twitch creators 📈268.5K Pinterest creators 🐘184.4K Mastodon creators 🥊169.5K Kick creators 𝕏162.6K X creators est. 99K YouTube creators 🎵70.5K TikTok creators ✈️66.6K Telegram creators 🎮10.5K Discord creators 🎬4.6K Rumble creators 📈2.7K Substack creators 🧵2.3K Threads creators ⭐6M influencer listings 🏢74.4K sponsor listings 🌍85.4B combined audience reach 📊13 platforms indexed 🗺️130+ countries covered 🏷️10,000+ niches 🦋2.7M Bluesky creators 🎙️1.3M podcast creators 🟣988K Twitch creators 📈268.5K Pinterest creators 🐘184.4K Mastodon creators 🥊169.5K Kick creators 𝕏162.6K X creators est. 99K YouTube creators 🎵70.5K TikTok creators ✈️66.6K Telegram creators 🎮10.5K Discord creators 🎬4.6K Rumble creators 📈2.7K Substack creators 🧵2.3K Threads creators
Fermat's Library

Fermat's Library✓

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Followers
791.7K
Posts
3.9K
Following
4
Account age
10 yrs
🎁 Free analysisfor Fermat's Library
🕵️Fake Followers CheckReal-audience % & bot risk→ 📊Engagement rateBenchmarked vs. peers→ 💰What they chargeFair sponsored-post price→

Known for

In the heart of World War II, as the Nazis took control of Copenhagen, a peculiar situation took place at the Institute of Theoretical Physics, led by physicist Niels Bohr. Two Nobel laureates Max von Laue and James Franck, fearing the confiscation of their gold Nobel Prize 8.7M views In the heart of World War II, as the Nazis took control of Copenhagen, a peculiar situation took place at the Institute of Theoretical Physics, led by physicist Niels Bohr. Two Nobel laureates Max von Laue and James Franck, fearing the confiscation of their gold Nobel Prize MIT Entrance Examination for 1869-1870 6.7M views MIT Entrance Examination for 1869-1870 2¹³⁶²⁷⁹⁸⁴¹−1, discovered today, is the largest known prime. It's a Mersenne prime (2ᵖ-1), which are easier to find. It took nearly 6 years for the GIMPS software to find it after the previous largest known prime. It was also the first Mersenne prime found using GPUs. 5.1M views 2¹³⁶²⁷⁹⁸⁴¹−1, discovered today, is the largest known prime. It's a Mersenne prime (2ᵖ-1), which are easier to find. It took nearly 6 years for the GIMPS software to find it after the previous largest known prime. It was also the first Mersenne prime found using GPUs. Happy New Year! 🎉 2025 will be the only square year (45²) in many of our lifetimes. 3.6M views Happy New Year! 🎉 2025 will be the only square year (45²) in many of our lifetimes.

📊 Post performance

3.6M
Avg views / post
4.6×
Reach vs followers
Sep 2015
On X since

🔥 Top post: In the heart of World War II, as the Nazis took control of Copen · 8.7M views

📊 Activity & format

Posting cadence
0.05 / week
A lower-frequency account — each post lands with more weight.
Content mix
Mostly images
Recent: 5 video · 10 image · 3 text.
Follower / following
197.9K×
Follows 4 back. A strong ratio — an audience that follows them, not a follow-for-follow network.
Verification
✓ X Premium
A paid X Premium (Blue) verified account.

Recent posts

View on X ↗
▶ 🔥 Top post In the heart of World War II, as the Nazis took control of Copenhagen, a peculiar situation took place at the Institute of Theoretical Physics, led by physicist Niels Bohr. Two Nobel laureates Max von Laue and James Franck, fearing the confiscation of their gold Nobel Prize 8.7M❤ 21.3K🔁 2.2K
In the fall of 1972, President Nixon announced that "the rate of increase of inflation was decreasing". Probably the first time a sitting president used the 3rd derivative to increase the chances of reelection. 900.7K❤ 23.5K🔁 1.4K Ramanujan said that he received his formulas from God 2.5M❤ 26.1K🔁 2.9K Happy New Year! 🎉 2025 will be the only square year (45²) in many of our lifetimes. 3.6M❤ 62.2K🔁 7K 2¹³⁶²⁷⁹⁸⁴¹−1, discovered today, is the largest known prime. It's a Mersenne prime (2ᵖ-1), which are easier to find. It took nearly 6 years for the GIMPS software to find it after the previous largest known prime. It was also the first Mer… 5.1M❤ 32.7K🔁 5.4K MIT Entrance Examination for 1869-1870 6.7M❤ 45.6K🔁 4.5K In linguistics, Escher sentences are sentences which initially seem acceptable but upon further reflection have no well-formed meaning. ❤ 23K🔁 3.1K List of people that have walked on the Moon: Neil Armstrong 🇺🇸🪦 Buzz Aldrin 🇺🇸 91 yo Pete Conrad 🇺🇸🪦 Alan Bean 🇺🇸🪦 Alan Shepard 🇺🇸🪦 Edgar Mitchell 🇺🇸🪦 David Scott 🇺🇸 89 yo James Irwin 🇺🇸🪦 John Young 🇺🇸🪦 Charles Duke 🇺🇸 86 yo Eugene Cernan … ❤ 23.5K🔁 2.5K The time period of a pendulum with infinite length is 84.6 minutes. ❤ 26.8K🔁 2.7K From Ramanujan ❤ 40K🔁 4.7K A visual proof why 1+3+5+...+(2n-1)=n² ⚪⚫⚪⚫⚪⚫ ⚫⚫⚪⚫⚪⚫ ⚪⚪⚪⚫⚪⚫ ⚫⚫⚫⚫⚪⚫ ⚪⚪⚪⚪⚪⚫ ⚫⚫⚫⚫⚫⚫ ❤ 22K🔁 4.1K Start with 82 and go backwards to 1 8281807978777675747372717069686 7666564636261605958575655545352 5150494847464544434241403938373 6353433323130292827262524232221 2019181716151413121110987654321 ...this number is prime! ❤ 29.5K🔁 4.3K

💡 Facts

🗓️Joined X in 2015 — 10 years ago.
👁️Averages 3.6M views per post.
📤Posts about 0.1× per week.
💬4.59% engagement rate.
🏅Earned the 100K Followers for passing 100K followers.

🕵️ Fake follower check

Estimated
83/100
Excellent Credibility score
93%
Real Real audience
Low Fake-follower risk
High Data confidence
  • Est. 93% real, active audience · Low fake-follower risk.
  • Strong engagement (~4.6× of followers engage each post) — an active, real audience.
  • Organic base — far more followers than accounts it follows.
  • Verified account.
  • Established account (10+ years old).
  • 4.59% engagement — below the ~14.4% typical for this size.

Heuristic estimate from engagement, follower ratios, account age & growth — a screening signal, not a guarantee.

About

A platform for illuminating academic papers. We annotate and share a paper every week. Save, annotate and share papers with anyone: http://fermatslibrary.com/margins

📸 Gallery

In the fall of 1972, President Nixon announced that "the rate of increase of inflation was decreasing". Probably the first time a sitting president used the 3rd derivative to increase the chances of reelection. Ramanujan said that he received his formulas from God Happy New Year! 🎉 2025 will be the only square year (45²) in many of our lifetimes. 2¹³⁶²⁷⁹⁸⁴¹−1, discovered today, is the largest known prime. It's a Mersenne prime (2ᵖ-1), which are easier to find. It took nearly 6 years for the GIMPS software to find it after the previous largest known prime. It was also the first Mersenne prime found using GPUs. MIT Entrance Examination for 1869-1870 In the heart of World War II, as the Nazis took control of Copenhagen, a peculiar situation took place at the Institute of Theoretical Physics, led by physicist Niels Bohr. Two Nobel laureates Max von Laue and James Franck, fearing the confiscation of their gold Nobel Prize In linguistics, Escher sentences are sentences which initially seem acceptable but upon further reflection have no well-formed meaning. The time period of a pendulum with infinite length is 84.6 minutes.

🔀 Audience overlap

Estimated

Estimated shared audience with similar creators — useful for avoiding overlap (or doubling down) when planning a campaign.

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Fermat's Library has 791,681 followers on X.

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