Properties of the Number 72861

Seventy-Two Thousand Eight Hundred Sixty-One

Basics

Value: 72860 → 72861 → 72862

Parity: odd

Prime: No

Previous Prime: 72859

Next Prime: 72869

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 149 × 163

Divisors: 1, 3, 149, 163, 447, 489, 24287, 72861

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10001110010011101

Octal: 216235

Duodecimal: 361B9

Hexadecimal: 11c9d

Square: 5308725321

Square Root: 269.9277681158424

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 character table entries of the symmetric group S_n which are < 0. A51748

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, 0, 0), (-1, 0, 1), (0, 0, 1), (1, -1, 0), (1, 1, -1)}. A148481

Numbers k such that 49·10^k + 1 is prime. A267865

a(n) = σ(n)². A72861