Properties of the Number 61660

Sixty-One Thousand Six Hundred Sixty

Basics

Value: 61659 → 61660 → 61661

Parity: even

Prime: No

Previous Prime: 61657

Next Prime: 61667

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 ² × 5 × 3083

Divisors: 1, 2, 4, 5, 10, 20, 3083, 6166, 12332, 15415

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111000011011100

Octal: 170334

Duodecimal: 2B824

Hexadecimal: f0dc

Square: 3801955600

Square Root: 248.31431694527805

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

Diagonal in array of n-gonal numbers A081422. A81435

Number of partitions in all twice partitions of n where the first partition is strict. A327552

a(n) = self-convolution of row n of array T given by A027170. A27182

Numbers k > 1 such that, in base 6, k and k² contain the same digits in the same proportion. A61660