Properties of the Number 81136

Eighty-One Thousand One Hundred Thirty-Six

Basics

Value: 81135 → 81136 → 81137

Parity: even

Prime: No

Previous Prime: 81131

Next Prime: 81157

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 ⁴ × 11 × 461

Divisors: 1, 2, 4, 8, 11, 16, 22, 44, 88, 176

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011110011110000

Octal: 236360

Duodecimal: 3AB54

Hexadecimal: 13cf0

Square: 6583050496

Square Root: 284.84381685407885

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

Triangle read by rows: row n gives coefficients of expansion of ∏_k=2..n ((n+1-k)*x+k), starting with lowest power. A220884

Triangle read by rows: T(n,k) gives the number of parking functions of size n with k lucky cars. 0 <= k <= n. A370832

Expansion of (η(q⁶)/(η(q)*η(q²)*η(q³)))² in powers of q. A293378

6th binomial transform of (0,0,1,0,0,0, ...). A81136

Table read by antidiagonals: T(n,k) (n >= 3, k >= 1) is the number of vertices formed in a regular n-gon by straight line segments when connecting the n corner vertices to the points dividing the sides into k equal parts. A354544