Properties of the Number 42530

Forty-Two Thousand Five Hundred Thirty

Basics

Value: 42529 → 42530 → 42531

Parity: even

Prime: No

Previous Prime: 42509

Next Prime: 42533

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 × 5 × 4253

Divisors: 1, 2, 5, 10, 4253, 8506, 21265, 42530

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010011000100010

Octal: 123042

Duodecimal: 20742

Hexadecimal: a622

Square: 1808800900

Square Root: 206.22802913280242

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

Cardinality of the Weyl alternation set corresponding to the zero-weight in the adjoint representation of the Lie algebra sp(2n). A232165

Number of (n+2) X (4+2) 0..3 arrays with every 3 X 3 subblock row and column sum not 2 3 6 or 7 and every diagonal and antidiagonal sum 2 3 6 or 7. A251890

Engel expansion of sqrt(π) = 1.77245... . A59187

Numerators of continued fraction convergents to sqrt(794). A42530