Properties of the Number 56160

Fifty-Six Thousand One Hundred Sixty

Basics

Value: 56159 → 56160 → 56161

Parity: even

Prime: No

Previous Prime: 56149

Next Prime: 56167

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 ⁵ × 3 ³ × 5 × 13

Divisors: 1, 2, 3, 4, 5, 6, 8, 9, 10, 12

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

603 Try Today's Challenge

Representations

Binary: 1101101101100000

Octal: 155540

Duodecimal: 28600

Hexadecimal: db60

Square: 3153945600

Square Root: 236.981011897578

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

Number of double-free subsets of {1, 2, ..., n}. A50291

a(n) = 9·a(n - 1) - a(n - 2) for n>1, a(0)=0, a(1)=1. A18913

Numbers k for which k·gcd(σ(k), A276086(k)) is equal to σ(k) * gcd(k, A276086(k)), where A276086 is the primorial base exp-function, and σ gives the sum of divisors of its argument. A351458

a(n) = 1·2*3·4*5·6 + 7·8*9·10·11·12 + 13·14·15·16·17·18 + ... + (up to n). A319207

a(n) is the unique integer k such that A108951(k) = n!. A307035

Schoenheim bound L₁(n,7,6). A36834

Sum of divisors of those numbers n such that n and n+1 have the same sum of divisors. A53215

Maximum number of induced copies of the claw graph K_1,3 in an n-node graph. A352666

Positive numbers differing from next 3 greater squares by squares. A218487

Triangle S(n,k) by rows: coefficients of 3^(n-1/2)*(x^1/3*d/dx)ⁿ when n is odd, and of 3^n/2*(x^2/3*d/dx)ⁿ when n is even. A223169