Properties of the Number 81296

Eighty-One Thousand Two Hundred Ninety-Six

Basics

Value: 81295 → 81296 → 81297

Parity: even

Prime: No

Previous Prime: 81293

Next Prime: 81299

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 ⁴ × 5081

Divisors: 1, 2, 4, 8, 16, 5081, 10162, 20324, 40648, 81296

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011110110010000

Octal: 236620

Duodecimal: 3B068

Hexadecimal: 13d90

Square: 6609039616

Square Root: 285.12453419514776

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

Second series of Hankel determinants based on squares of Catalan numbers. A278770

Number of partitions of n such that the largest part is a multiple of the smallest part. A117086

Main diagonal of triangular array T: T(j,1) = 1 for ((j-1) mod 8) < 4, else 0; T(j,k) = T(j-1,k-1)+T(j,k-1) for 2 <= k <= j. A129961

Primes of the form 2^k - k. A81296