Properties of the Number 61615

Sixty-One Thousand Six Hundred Fifteen

Basics

Value: 61614 → 61615 → 61616

Parity: odd

Prime: No

Previous Prime: 61613

Next Prime: 61627

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 5 × 12323

Divisors: 1, 5, 12323, 61615

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111000010101111

Octal: 170257

Duodecimal: 2B7A7

Hexadecimal: f0af

Square: 3796408225

Square Root: 248.22368944160024

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 permutations satisfying -k<=p(i)-i<=r and p(i)-i not in I, i=1..n, with k=1, r=5, I={0,3}. A79965

Numbers k whose trajectory under the Reverse and Add! operation carried out in base 16 does not reach a palindrome and (presumably) does not join the trajectory of any term m < k. A344119

Ooguri-Vafa invariants of disk domain wall degeneracies for brane I in the O(K) -> P¹ X P¹ geometry. A61615