Properties of the Number 80772

Eighty Thousand Seven Hundred Seventy-Two

Basics

Value: 80771 → 80772 → 80773

Parity: even

Prime: No

Previous Prime: 80761

Next Prime: 80777

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 ² × 3 × 53 × 127

Divisors: 1, 2, 3, 4, 6, 12, 53, 106, 127, 159

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011101110000100

Octal: 235604

Duodecimal: 3A8B0

Hexadecimal: 13b84

Square: 6524115984

Square Root: 284.20415197530104

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 acute isosceles triangles on a centered hexagonal grid of size n. A241229

Number of nX4 0..2 arrays with every row and column running average nondecreasing rightwards and downwards, and the number of instances of each value within one of each other. A200773

T(n,k)=Number of nXk 0..2 arrays with every row and column running average nondecreasing rightwards and downwards, and the number of instances of each value within one of each other. A200777

Numbers of numbers <= n having prime factors <= k, triangular array read by rows. A80772