Properties of the Number 42566

Forty-Two Thousand Five Hundred Sixty-Six

Basics

Value: 42565 → 42566 → 42567

Parity: even

Prime: No

Previous Prime: 42557

Next Prime: 42569

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 × 21283

Divisors: 1, 2, 21283, 42566

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010011001000110

Octal: 123106

Duodecimal: 20772

Hexadecimal: a646

Square: 1811864356

Square Root: 206.3152926954277

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) is the number of shallow permutations of length n that avoid 123. A382574

Numerators of continued fraction convergents to sqrt(812). A42566