
Properties of The Number 137 - Mathematics Stack Exchange
Dec 2, 2016 · The number 137 137 is a prime number.One of the permutation of 137 137 is 173 173, which is a prime number. The summation of 137 137 digits is 11 11 which is again a prime number! …
number theory - Is $137 = 2^7 + 3^2$ the unique sum of a power of …
Dec 8, 2025 · Is $137 = 2^7 + 3^2$ the unique sum of a power of $2$ and a power of $3$? [closed] Ask Question Asked 30 days ago Modified 30 days ago
Find an integer $r$ with $0 ≤ r ≤ 10$ such that $7^{137 }≡ r (\\text ...
Oct 26, 2020 · Find an integer r r with 0 ≤ r ≤ 10 0 ≤ r ≤ 10 such that 7137 ≡ r(mod11) 7 137 ≡ r (mod 11). [duplicate] Ask Question Asked 5 years, 2 months ago Modified 5 years, 2 months ago
abstract algebra - Remainder of dividing $x^ {137}+x+1$ by $x+5 ...
In Z7[x] Z 7 [x], what is the remainder of dividing x137 + x + 1 x 137 + x + 1 by x + 5 x + 5? I can not find how to solve this problem of modular arithmetic. Anybody could tell me only as I proceed to solve this …
calculus - Exponential Decay Question: The Half-Life of Cesium-137 is ...
Aug 6, 2015 · Exponential Decay Question: The Half-Life of Cesium-137 is 30 Years. Suppose We Have a 100-mg Sample. Ask Question Asked 10 years, 5 months ago Modified 10 years, 5 months ago
Series expansion: $\\frac{1}{(1-x)^n}$ - Mathematics Stack Exchange
Jan 24, 2016 · What is the expansion for $(1-x)^{-n}$? Could find only the expansion upto the power of $-3$. Is there some general formula?
Injectivity implies left inverse in Bishop's constructive mathematics
Nov 5, 2025 · @Naïm Camille Favier: Bishop has a famous quote "choice is implied by the very meaning of existence" on page 12 of the same book. It was written with a somewhat different …
Proving uniqueness of solution of a differential equation
Dec 21, 2025 · I was solving a physics problem and the solution involves solving a differential equation that's of the form:
Planar geometry problems solved by thinking out of the plane
Oct 19, 2025 · What are some examples of a planar geometry problem with an elegant nonplanar solution? I will post one example as an answer.
User Asaf Karagila - Mathematics Stack Exchange
Jan 26, 2013 · University Academic Fellow and a UKRI Future Leaders Fellow at the University of Leeds, mostly interested in set theory. Originally from Israel; usually can be found doing some …