Properties of the Number 56931

Fifty-Six Thousand Nine Hundred Thirty-One

Basics

Value: 56930 → 56931 → 56932

Parity: odd

Prime: No

Previous Prime: 56929

Next Prime: 56941

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 7 × 2711

Divisors: 1, 3, 7, 21, 2711, 8133, 18977, 56931

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101111001100011

Octal: 157143

Duodecimal: 28B43

Hexadecimal: de63

Square: 3241138761

Square Root: 238.60217936976184

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

Number of unlabeled 3-trees on n vertices. A78792

Expansion of 1/((1-4x)(1-6x)(1-7x)(1-8x)). A28130

Integers that reach the (47360, 29127) cycle described in A234534, after iterations of numerator(σ(n)/n) = A017665(n). A249614

Triangle read by rows: T(n, k) = number of k-element subobjects of an n-element set in the category of relations, n >= 0, 0 <= k <= n. A373398

a(n) = (2·n³ - 6·n² + 19·n - 9)*n/6. A378023

Difference between n-th oblong (promic) number, n(n+1), and the average of the smallest prime greater than n² and the largest prime less than (n+1)². A56931