Properties of the Number 56808

Fifty-Six Thousand Eight Hundred Eight

Basics

Value: 56807 → 56808 → 56809

Parity: even

Prime: No

Previous Prime: 56807

Next Prime: 56809

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 ³ × 3 ³ × 263

Divisors: 1, 2, 3, 4, 6, 8, 9, 12, 18, 24

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101110111101000

Octal: 156750

Duodecimal: 28A60

Hexadecimal: dde8

Square: 3227148864

Square Root: 238.34428879249447

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 of generalized Stirling numbers S_3,3(n,k) read by rows (n>=1, 3<=k<=3n). A78741

Initial members of abundant quintuplets, i.e., values of k such that (k, k+2, k+4, k+6, k+8) are all abundant numbers. A108926

Row sums of number triangle A116382. A116383

T(2n,n), array T as in A047130. A47139

Numbers n such that σ(n) = φ(prime(n)+1). A67625

Wiener index of the n X n knight graph. A292054

Members of A055932 which are not least prime signatures (cf. A025487). A56808