Properties of the Number 81260

Eighty-One Thousand Two Hundred Sixty

Basics

Value: 81259 → 81260 → 81261

Parity: even

Prime: No

Previous Prime: 81239

Next Prime: 81281

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 ² × 5 × 17 × 239

Divisors: 1, 2, 4, 5, 10, 17, 20, 34, 68, 85

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011110101101100

Octal: 236554

Duodecimal: 3B038

Hexadecimal: 13d6c

Square: 6603187600

Square Root: 285.0613968954758

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

Carlitz compositions of n into odd parts. A218694

a(1)=4; for n>1, a(n) is taken to be the third-smallest integer greater than a(n-1) such that the condition "n is a member of the sequence if and only if a(n) is odd" is satisfied. A81260