Properties of the Number 56975

Fifty-Six Thousand Nine Hundred Seventy-Five

Basics

Value: 56974 → 56975 → 56976

Parity: odd

Prime: No

Previous Prime: 56963

Next Prime: 56983

Digit Sum: 32

Digital Root: 5

Palindrome: No

Factorization: 5 ² × 43 × 53

Divisors: 1, 5, 25, 43, 53, 215, 265, 1075, 1325, 2279

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101111010001111

Octal: 157217

Duodecimal: 28B7B

Hexadecimal: de8f

Square: 3246150625

Square Root: 238.6943652456002

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

Numbers k such that σ(k+1) = 2*σ(k). A67081

Numbers k such that σ(k) divides σ(k+1), where σ(k) is sum of positive divisors of k. A58072

Number of discordant permutations. A561

Numbers k such that k and k+1 have the same sum of squarefree divisors, or sqf(k) = sqf(k+1), where sqf(k) = A048250(k). A63964

a(n) = smallest number k such that 2ⁿ + k is a palindrome. A83463

Numerator of Hermite(n, 13/18). A159562

Number of blocks of {0, 0, 1} in binary expansion of n. A56975