Properties of the Number 56015

Fifty-Six Thousand Fifteen

Basics

Value: 56014 → 56015 → 56016

Parity: odd

Prime: No

Previous Prime: 56009

Next Prime: 56039

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 5 × 17 × 659

Divisors: 1, 5, 17, 85, 659, 3295, 11203, 56015

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 1101101011001111

Octal: 155317

Duodecimal: 284BB

Hexadecimal: dacf

Square: 3137680225

Square Root: 236.67488248650298

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

Starts of runs of 3 consecutive factorial base Niven numbers (A118363). A328206

Numbers n such that n through n+6 are divisible by the same number of distinct primes. A45935

Numbers n which are divisors of the number produced by concatenating (n-1), (n-2), ... (n-10) in that order. A88871

Triangle T(n,k), n >= 2, 0 <= k <= floor(n²/2)-n, read by rows, where T(n,k) is the number of 2*(k+n)-cycles in the n X n grid graph which pass through NW and SW corners. A333652

Numbers n such that n through n+7 are divisible by the same number of distinct primes. A45936

Number of tilings of an n X 1 rectangle by tiles of dimension 1 X 1 and 2 X 1 such that every tile is next to a tile of different size. A245596

Conjectured formula for irreducible 6-fold Euler sums of weight 2n+16. A19459

Number of (n+2) X 4 binary arrays with each 3 X 3 subblock having rows and columns in lexicographically nondecreasing order. A184541

a(n) = 6·a(n-1) - 5·a(n-2) - 4·a(n-3) - 3·a(n-4) + 2·a(n-5) + a(n-6), with a(0)=...=a(4)=0, a(5)=1. A56015

Sum-prime (SP) numbers: numbers k that are not divisible by 4 such that (a + b)/gcd(k+1, 4) is prime for every factorization k = a·b. A303437