Properties of the Number 317

Three Hundred Seventeen

Basics

Value: 316 → 317 → 318

Parity: odd

Prime: Yes

Previous Prime: 313

Next Prime: 331

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 317

Divisors: 1, 317

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100111101

Octal: 475

Duodecimal: 225

Hexadecimal: 13d

Square: 100489

Square Root: 17.804493814764857

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

Primes of the form x² + xy + 2y², with·and y nonnegative. A106856

Pythagorean primes: primes of the form 4·k + 1. A2144

Number of partitions of n into an even number of parts. A27187

Indices of prime repunits: numbers k such that 11...111 (with k 1's) = (10^k - 1)/9 is prime. A4023

Primes with primitive root 2. A1122

Finitary numbers. Matula-Goebel numbers of rooted identity trees. A276625

Primes congruent to 1 or 2 modulo 4; or, primes of form x² + y²; or, -1 is a square mod p. A2313

Primes of the form 3n-1. A3627

Primes of the form 6k-1. A7528

Number of strict knapsack partitions of n. A275972