Properties of the Number 57007

Fifty-Seven Thousand Seven

Basics

Value: 57006 → 57007 → 57008

Parity: odd

Prime: No

Previous Prime: 56999

Next Prime: 57037

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 109 × 523

Divisors: 1, 109, 523, 57007

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101111010101111

Octal: 157257

Duodecimal: 28BA7

Hexadecimal: deaf

Square: 3249798049

Square Root: 238.76138716300005

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

Decimal number representations of hexadecimal numbers whose form spells an American-English word found in a standard dictionary in numerical order. A132676

Solution of the complementary equation a(n) = a(n-1) + a(n-2) + 2·b(n-1) + 2·b(n-2), where a(0) = 1, a(1) = 2, b(0) = 3, and (a(n)) and (b(n)) are increasing complementary sequences. A294560

Number of permutations of length n which avoid the patterns 1234, 1324, 3421. A116829

Expansion of ∑_{i = p·q, p prime, q prime} xⁱ/(1 - xⁱ) / ∏_j>=1 (1 - x^j). A281612

Number of conjugacy classes of subgroups of index n in free group of rank 4. A57007