Where is my office?
(Last update: 2026-08-21)
Current
My office number has a form of MA ** ###, where ** is a form of alphabet + digit, and ### is a 3-digit number.
**is closely related to $\mathrm{Sp}_6$.- Let $n=$
###. Then $n - 1$ is square-free and has three prime factors, while $n + 1$ is not square-free and has two prime factors. - $n$ is palindromic in base 10, but not in base 2 to 9.
Past
Berkeley: My office number was characterized as follows:
- It is a prime number.
- It is a twin prime number.
- It is a Sophie Germain prime number.
- It is a sum of a cube and a square.
- 2 is not a primitive root modulo the number.
- The building has 10 floors.
math