Properties of the Number 81361

Eighty-One Thousand Three Hundred Sixty-One

Basics

Value: 81360 → 81361 → 81362

Parity: odd

Prime: No

Previous Prime: 81359

Next Prime: 81371

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 7 × 59 × 197

Divisors: 1, 7, 59, 197, 413, 1379, 11623, 81361

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011110111010001

Octal: 236721

Duodecimal: 3B101

Hexadecimal: 13dd1

Square: 6619612321

Square Root: 285.2384967005681

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

Intersection of A099011 and A327651. A327652

Number of subsets of Z_n such that every ordered pair of distinct elements has a different difference. A382399

Triangle read by rows: T(n,1) = number of letters in English name for n, T(n,k+1) = number of letters in T(n,k), but stop if T(n,k+1) would equal T(n,k). A81361