Properties of the Number 42657

Forty-Two Thousand Six Hundred Fifty-Seven

Basics

Value: 42656 → 42657 → 42658

Parity: odd

Prime: No

Previous Prime: 42649

Next Prime: 42667

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 59 × 241

Divisors: 1, 3, 59, 177, 241, 723, 14219, 42657

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 1010011010100001

Octal: 123241

Duodecimal: 20829

Hexadecimal: a6a1

Square: 1819619649

Square Root: 206.53571119784587

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) = (n³ + 3·n - 2)/2. A132127

a(0) = 1, a(n) = 1 + 2·3 + 4·5 + 6·7 + ... + (2n)*(2n+1) for n > 0. A98931

Number of polyominoes in which every cell has coprime coordinates. A366020

Denominators of continued fraction convergents to sqrt(858). A42657