Properties of the Number 57001

Fifty-Seven Thousand One

Basics

Value: 57000 → 57001 → 57002

Parity: odd

Prime: No

Previous Prime: 56999

Next Prime: 57037

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 7 × 17 × 479

Divisors: 1, 7, 17, 119, 479, 3353, 8143, 57001

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101111010101001

Octal: 157251

Duodecimal: 28BA1

Hexadecimal: dea9

Square: 3249114001

Square Root: 238.74882198662257

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

a(n) = 3^n-1 - 2ⁿ. A3063

Number of ways 1/n can be expressed as the sum of four distinct unit fractions: 1/n = 1/w + 1/x + 1/y + 1/z satisfying 0 < w < x < y < z. A241883

Nonnegative values·of solutions (x, y) to the Diophantine equation x² + (x+479)² = y². A207075

Monotonic ordering of nonnegative differences 9ⁱ-2^j, for 40>= i>=0, j>=0. A192123

Number of ways to place 5 nonattacking amazons (superqueens) on an n X n board. A178967

(φ(n+1)-φ(n))/2. A57001