Properties of the Number 57209

Fifty-Seven Thousand Two Hundred Nine

Basics

Value: 57208 → 57209 → 57210

Parity: odd

Prime: No

Previous Prime: 57203

Next Prime: 57221

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 19 × 3011

Divisors: 1, 19, 3011, 57209

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101111101111001

Octal: 157571

Duodecimal: 29135

Hexadecimal: df79

Square: 3272869681

Square Root: 239.1840295671933

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 compositions of n into parts with multiplicity not larger than 7. A243085

Expansion of (1+147·x+1142·x²+1717·x³+656·x⁴+60·x⁵+x⁶)/(1-x)⁷. A160863

Numbers that can be written in more than 1 way as p² + 3pq + q² with primes p < q. A218795

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 611", based on the 5-celled von Neumann neighborhood. A273214

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (0, 0, 1), (0, 1, 0), (1, 0, 0), (1, 1, -1)}. A151062

n!ⁿ *∑_{k=1 to n}[1/k^k]. A57209