Properties of the Number 56672

Fifty-Six Thousand Six Hundred Seventy-Two

Basics

Value: 56671 → 56672 → 56673

Parity: even

Prime: No

Previous Prime: 56671

Next Prime: 56681

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 ⁵ × 7 × 11 × 23

Divisors: 1, 2, 4, 7, 8, 11, 14, 16, 22, 23

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1101110101100000

Octal: 156540

Duodecimal: 28968

Hexadecimal: dd60

Square: 3211715584

Square Root: 238.05881626186417

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

Triangle read by rows: T(n,k) is the number of permutations of an n-set having k cycles of size > 1 (0<=k<=floor(n/2)). A136394

a(n) = n*(n-1)*(n+1)*(3·n-2)/12. A153978

Number of elements of order n in simple Mathieu group M₂₃. A284872

[s(k)-s(j)]/9, where the pairs (k,j) are given by A205872 and A205873, and s(k) denotes the (k+1)-st Fibonacci number. A205875

Numbers m such that m² + p² = k², with p > 0, where p = A007954(m) = the product of digits of m. A334558

a(n) = 289n² + 2n. A158254

a(n) = n*(n+1)*(5·n+1)/3. A174814

Number of permutations of [n] having exactly three nontrivial cycles. A289951

Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 17. A31695

E.g.f. A(x) satisfies A(A(A(A(x)))) = (-1/8) * log(1 - 8·x). A372796