Properties of the Number 56688

Fifty-Six Thousand Six Hundred Eighty-Eight

Basics

Value: 56687 → 56688 → 56689

Parity: even

Prime: No

Previous Prime: 56687

Next Prime: 56701

Digit Sum: 33

Digital Root: 6

Palindrome: No

Factorization: 2 ⁴ × 3 × 1181

Divisors: 1, 2, 3, 4, 6, 8, 12, 16, 24, 48

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1101110101110000

Octal: 156560

Duodecimal: 28980

Hexadecimal: dd70

Square: 3213529344

Square Root: 238.09241903093007

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

Square array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where column k is the expansion of e.g.f. B(x)^k, where B(x) is the e.g.f. of A384739. A384741

Expansion of tan(log(1+x))*log(1+x)/2. A24339

Numbers k such that 70·R_k + 1 is prime, where R_k = 11...1 is the repunit (A002275) of length k. A56688