Properties of the Number 66860

Sixty-Six Thousand Eight Hundred Sixty

Basics

Value: 66859 → 66860 → 66861

Parity: even

Prime: No

Previous Prime: 66853

Next Prime: 66863

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 ² × 5 × 3343

Divisors: 1, 2, 4, 5, 10, 20, 3343, 6686, 13372, 16715

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000010100101100

Octal: 202454

Duodecimal: 32838

Hexadecimal: 1052c

Square: 4470259600

Square Root: 258.57300709857554

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

Number of ways to fill a Young diagram with positive integers summing to n such that all rows and columns are strictly increasing. A323451

The sum of the non-divisors of n (less than n) is a multiple of the sum of the divisors of n. A66860