Properties of the Number 61659

Sixty-One Thousand Six Hundred Fifty-Nine

Basics

Value: 61658 → 61659 → 61660

Parity: odd

Prime: No

Previous Prime: 61657

Next Prime: 61667

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 13 × 17 × 31

Divisors: 1, 3, 9, 13, 17, 31, 39, 51, 93, 117

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111000011011011

Octal: 170333

Duodecimal: 2B823

Hexadecimal: f0db

Square: 3801832281

Square Root: 248.31230336010336

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

The arithmetic mean of the n-th and (n+1)-st cubes, rounded down. A147656

Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite DDR = Deca-dodecasil 3R[Si120O240]qR starting with a T7 atom. A19109

Numbers k > 1 such that, in base 5, k and k² contain the same digits in the same proportion. A61659

Smallest i such that there exists j such that i = x + y + z, j = x·y*z has exactly n solutions in positive integers x <= y <= z. A103277