Properties of the Number 66760

Sixty-Six Thousand Seven Hundred Sixty

Basics

Value: 66759 → 66760 → 66761

Parity: even

Prime: No

Previous Prime: 66751

Next Prime: 66763

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 ³ × 5 × 1669

Divisors: 1, 2, 4, 5, 8, 10, 20, 40, 1669, 3338

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000010011001000

Octal: 202310

Duodecimal: 32774

Hexadecimal: 104c8

Square: 4456897600

Square Root: 258.37956575549856

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) = ∑_{1<=k<=n, k is not a divisor of n and k is not coprime to n} k. A66760

Smallest members of infinitary sociable quadruples. A361811