Properties of the Number 42628

Forty-Two Thousand Six Hundred Twenty-Eight

Basics

Value: 42627 → 42628 → 42629

Parity: even

Prime: No

Previous Prime: 42611

Next Prime: 42641

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 10657

Divisors: 1, 2, 4, 10657, 21314, 42628

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010011010000100

Octal: 123204

Duodecimal: 20804

Hexadecimal: a684

Square: 1817146384

Square Root: 206.4654934849889

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

Expansion of 1/(1-2·x*c(3·x)), c(x) the g.f. of A000108. A110520

Number of prime parts in the partitions of n into 9 parts. A309438

Numerators of continued fraction convergents to sqrt(844). A42628

Number of defective 3-colorings of an n X 6 0..2 array connected horizontally, diagonally and antidiagonally with exactly one mistake, and colors introduced in row-major 0..2 order. A229532

Number of nX6 0..2 arrays with some element plus some horizontally, diagonally or antidiagonally adjacent neighbor totalling two exactly once. A269033

Number of n X 6 0..2 arrays with some element plus some horizontally, diagonally or antidiagonally adjacent neighbor totalling two not more than once. A269050