Properties of the Number 66631

Sixty-Six Thousand Six Hundred Thirty-One

Basics

Value: 66630 → 66631 → 66632

Parity: odd

Prime: No

Previous Prime: 66629

Next Prime: 66643

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 23 × 2897

Divisors: 1, 23, 2897, 66631

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000010001000111

Octal: 202107

Duodecimal: 32687

Hexadecimal: 10447

Square: 4439690161

Square Root: 258.1298123038097

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

Sort-then-add sequence: a(1) = 316, a(n+1) = a(n) + sort(a(n)). A33861

Numbers k such that there is no prime p and index j > k such that A002182(j) = p·A002182(k). A309042

The sequence f(1), f(2), ... as defined in A068192. A66631