Properties of the Number 57133

Fifty-Seven Thousand One Hundred Thirty-Three

Basics

Value: 57132 → 57133 → 57134

Parity: odd

Prime: No

Previous Prime: 57131

Next Prime: 57139

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 19 × 31 × 97

Divisors: 1, 19, 31, 97, 589, 1843, 3007, 57133

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101111100101101

Octal: 157455

Duodecimal: 29091

Hexadecimal: df2d

Square: 3264179689

Square Root: 239.02510328415298

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

Numerators of increasingly better rational approximations to π with increasing denominators (3/1, 13/4, 16/5, 19/6, 22/7, 179/57, ...) A63674

L.g.f.: ∑_n>=1 x^(2·n-1²) / ( (2·n-1) * (1 - x^2·n)^2·n-1 ). A293598

T(n,k)=Number of 0..k arrays x(0..n+1) of n+2 elements without any two consecutive increases or two consecutive decreases. A200838

Number of equivalence classes of self-dual 3-valued Post functions of n variables under action of symmetric group S_n. A57133

Number of 0..n arrays x(0..8) of 9 elements without any two consecutive increases or two consecutive decreases. A200844