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👋 Unclaimed listing — auto-generated from public data; rates are estimates, not set by the creator. 🔒 Paid proposals held safely in escrow — released only when the work's approved.
This is an unclaimed, auto-generated listing. It was built only from Fermat's Library’s publicly available X information. Fermat's Library has not claimed, verified, or endorsed it, and is not affiliated with, sponsored by, or a partner of SocialDB — no partnership or endorsement is implied, and any prices shown are estimates, not set by the creator.
Followers
791.7K
Posts
3.9K
Following
4
Account age
11 yrs
💰 Suggested sponsorship rate
$4.4K – $7.2K / sponsored post
Estimated from audience size & typical reach — every deal is negotiable and held in SocialDB escrow.
🎁 Free analysisfor Fermat's Library
Known for
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
6.7M views
MIT Entrance Examination for 1869-1870
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.
3.6M views
Happy New Year! 🎉 2025 will be the only square year (45²) in many of our lifetimes.
📊 Post performance
Recent posts · views
Oct 8latest
3.6M
Avg views / post
2.5M–6.7M
Typical post (views)
4.6×
Reach vs followers
75/100
Very consistent reach
Sep 2015
On X since
Half of recent posts land between 2.5M and 6.7M views (median 5.1M) — a dependable floor a sponsored post can count on.
🔥 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
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 Mer…
MIT Entrance Examination for 1869-1870
In linguistics, Escher sentences are sentences which initially seem acceptable but upon further reflection have no well-formed meaning.
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 …
The time period of a pendulum with infinite length is 84.6 minutes.
From Ramanujan
A visual proof why 1+3+5+...+(2n-1)=n²
⚪⚫⚪⚫⚪⚫
⚫⚫⚪⚫⚪⚫
⚪⚪⚪⚫⚪⚫
⚫⚫⚫⚫⚪⚫
⚪⚪⚪⚪⚪⚫
⚫⚫⚫⚫⚫⚫
Start with 82 and go backwards to 1
8281807978777675747372717069686 7666564636261605958575655545352 5150494847464544434241403938373 6353433323130292827262524232221 2019181716151413121110987654321
...this number is prime!
💡 Facts
🗓️Joined X in 2015 — 11 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
Estimated98/100
Excellent
Credibility score
99%
Real
Real audience
Low
Fake-follower risk
High
Data confidence
- Est. 99% 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 (11+ years old).
- 4.59% engagement — above the ~2.2% typical for a X account 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
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🔀 Audience overlap
EstimatedEstimated shared audience with similar creators — useful for avoiding overlap (or doubling down) when planning a campaign.
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17%
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16%
Carnivore Aurelius ©🥩 ☀️🦙
15%
MMA Orbit
15%
Cain Velasquez
14%
Михайло Подоляк
12%
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Fermat's Library has 791,681 followers on X.
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