Properties of the Number 311

Three Hundred Eleven

Basics

Value: 310 → 311 → 312

Parity: odd

Prime: Yes

Previous Prime: 307

Next Prime: 313

Digit Sum: 5

Digital Root: 5

Palindrome: No

Factorization: 311

Divisors: 1, 311

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100110111

Octal: 467

Duodecimal: 21B

Hexadecimal: 137

Square: 96721

Square Root: 17.635192088548397

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Lesser of twin primes. A1359

Primes of the form 4·k + 3. A2145

Numbers in base 4. A7090

Twin primes. A1097

Integers written in factorial base. A7623

Emirps (primes whose reversal is a different prime). A6567

Triangle T(n,k) 0<=k<n : Number of compositions of n with k adjacent equal parts. A106356

n written in primorial base. A49345

Ramanujan primes R_n: a(n) is the smallest number such that if x >= a(n), then π(x) - π(x/2) >= n, where π(x) is the number of primes <= x. A104272

Primes of the form 3n-1. A3627

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