Properties of the Number 56853

Fifty-Six Thousand Eight Hundred Fifty-Three

Basics

Value: 56852 → 56853 → 56854

Parity: odd

Prime: No

Previous Prime: 56843

Next Prime: 56857

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 6317

Divisors: 1, 3, 9, 6317, 18951, 56853

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101111000010101

Octal: 157025

Duodecimal: 28A99

Hexadecimal: de15

Square: 3232263609

Square Root: 238.4386713601634

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

Composite numbers n such that the sum of divisors of n, σ(n), divided by the number of divisors, d(n) and σ(n) minus n are both rational squares. A49226

Number of 3 X 3 matrices with unit determinant and positive integer entries whose sum is n. A361082

Number of n X 3 binary arrays with rows lexicographically nondecreasing and columns lexicographically nondecreasing and row sums nondecreasing and column sums nonincreasing. A266930

Expansion of e.g.f. arcsin(log(x+1) - sinh(x)). A13259

Expansion of e.g.f. sinh(log(x+1) - sinh(x)). A13263

Number of n X n binary arrays symmetric under 180 degree rotation with all ones connected only in a 1010-1111-0100 pattern in any orientation. A146641

Numbers n satisfying φ(n+1) - φ(n-1) = 2. A56853