Properties of the Number 57005

Fifty-Seven Thousand Five

Basics

Value: 57004 → 57005 → 57006

Parity: odd

Prime: No

Previous Prime: 56999

Next Prime: 57037

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 5 × 13 × 877

Divisors: 1, 5, 13, 65, 877, 4385, 11401, 57005

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101111010101101

Octal: 157255

Duodecimal: 28BA5

Hexadecimal: dead

Square: 3249570025

Square Root: 238.75719884434898

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 k such that ∑_j=1..k-1 j·2^j-1 is prime. A119529

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

Number of conjugacy classes of subgroups of index n in free group of rank 2. A57005