Properties of the Number 80636

Eighty Thousand Six Hundred Thirty-Six

Basics

Value: 80635 → 80636 → 80637

Parity: even

Prime: No

Previous Prime: 80629

Next Prime: 80651

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ² × 19 × 1061

Divisors: 1, 2, 4, 19, 38, 76, 1061, 2122, 4244, 20159

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011101011111100

Octal: 235374

Duodecimal: 3A7B8

Hexadecimal: 13afc

Square: 6502164496

Square Root: 283.9647865493185

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 walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (0, 0, 1), (0, 1, -1), (0, 1, 0), (1, 0, 1)}. A151107

A recursive triangular sequence with row sums (2*(n + 5)!): A(n,k)=A(n - 1, k - 1) + A(n - 1, k) + (n + 4)*(n + 3)*A(n - 2, k - 1). A153737

Number of symmetric real invertible (0,1) n X n matrices with (-1,0,1) inverses. A80636