Properties of the Number 66839

Sixty-Six Thousand Eight Hundred Thirty-Nine

Basics

Value: 66838 → 66839 → 66840

Parity: odd

Prime: No

Previous Prime: 66821

Next Prime: 66841

Digit Sum: 32

Digital Root: 5

Palindrome: No

Factorization: 89 × 751

Divisors: 1, 89, 751, 66839

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000010100010111

Octal: 202427

Duodecimal: 3281B

Hexadecimal: 10517

Square: 4467451921

Square Root: 258.532396422576

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

Partial sums of A087100. A87098

a(n) = sum of positive divisors k of n with k <= sqrt(n). A66839