Properties of the Number 72163

Seventy-Two Thousand One Hundred Sixty-Three

Basics

Value: 72162 → 72163 → 72164

Parity: odd

Prime: No

Previous Prime: 72161

Next Prime: 72167

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 7 × 13 ² × 61

Divisors: 1, 7, 13, 61, 91, 169, 427, 793, 1183, 5551

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001100111100011

Octal: 214743

Duodecimal: 35917

Hexadecimal: 119e3

Square: 5207498569

Square Root: 268.63171815703373

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

a(n) = 13·a(n-1) - 65·a(n-2) + 156·a(n-3) - 182·a(n-4) + 91·a(n-5) - 13·a(n-6), with a(1)..a(6) as shown. A161905

Expansion of ∏_k>=1 (1 + x^3·k-2)^3·k-2. A262949

Numerators of continued fraction convergents to sqrt(386). A41732

a(n)-th factorial is the smallest factorial containing exactly n 2's, or 0 if no such number exists. A72163