Properties of the Number 57145

Fifty-Seven Thousand One Hundred Forty-Five

Basics

Value: 57144 → 57145 → 57146

Parity: odd

Prime: No

Previous Prime: 57143

Next Prime: 57149

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 5 × 11 × 1039

Divisors: 1, 5, 11, 55, 1039, 5195, 11429, 57145

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101111100111001

Octal: 157471

Duodecimal: 290A1

Hexadecimal: df39

Square: 3265551025

Square Root: 239.05020393214477

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 which are the roots of distinct not-previously-encountered side-trees ("tendrils") sprouting from the side of the infinite beanstalk (see A213730). A218612

Quartic product sequence: a(n) = ∏_k=1..(n-1)/2 (1 + m·cos(k*π/n)² + q·cos(k*π/n)⁴), with m=12 and q = 3·4³. A152096

Number of induced paths in the n-ladder graph P₂ X P_n. A360201

Number of 6-step S, E, and NW-moving king's tours on an n X n board summed over all starting positions. A187511

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 929", based on the 5-celled von Neumann neighborhood. A273781

Square array of polygonal numbers T(n,k) = ((n-2)*k² - (n-4)*k)/2, n >= 2, k >= 1, read by antidiagonals upwards. A57145