911

From TinWiki.org

911 (nine hundred and eleven) is the number following 910 and preceding 912.

It is a prime number, a Sophie Germain prime and the sum of three consecutive primes (293 + 307 + 311). It is an Eisenstein prime with no imaginary part and real part of the form 3n − 1. Since 913 is a semiprime, 911 is a Chen prime. It is also a centered decagonal number.

Contents 1 Statistics 1.1 Prime 1.2 Pi 1.3 Phi

Statistics

Prime

• The 456th odd number = 911
• The 156th prime numbers = 911
• Sum of the 5th, 46th, and 126th prime numbers = 11 + 199 + 701 = 911
• Sum of the 3rd, 87th, and 88th prime numbers = 5 + 449 + 457 = 911

Pi

• The 1533th-1535th digits of pi = 911
• The 911th digit of pi = 2 (duality)

Phi

• The 911th digit of phi = 9
• The 95th-97th digits of phi = 911
• The 561th-563th digits of phi = 911