Properties of the Number 318

Three Hundred Eighteen

Basics

Value: 317 → 318 → 319

Parity: even

Prime: No

Previous Prime: 317

Next Prime: 331

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 53

Divisors: 1, 2, 3, 6, 53, 106, 159, 318

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100111110

Octal: 476

Duodecimal: 226

Hexadecimal: 13e

Square: 101124

Square Root: 17.832554500127006

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

Sphenic numbers: products of 3 distinct primes. A7304

Nonnegative multiples of 6. A8588

Number of Look-and-Say partitions of n; see Comments. A239455

Number of flat partitions of n: partitions {a_i} with each |a_i - a_i-1| <= 1. A34296

Nontotients: even numbers k such that φ(m) = k has no solution. A5277

Dispersion of (3+[n·r]), where r=(golden ratio)=(1+sqrt(5))/2 and [ ]=floor, by antidiagonals. A191426

Arithmetic derivative of the primorial base exp-function: a(n) = A003415(A276086(n)). A327860

Number of parts in all partitions of n into distinct parts. A15723

Number of partially ordered sets ("posets") with n unlabeled elements. A112

Coordination sequence for hexagonal lattice. A8458