Properties of the Number 72315

Seventy-Two Thousand Three Hundred Fifteen

Basics

Value: 72314 → 72315 → 72316

Parity: odd

Prime: No

Previous Prime: 72313

Next Prime: 72337

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 5 × 1607

Divisors: 1, 3, 5, 9, 15, 45, 1607, 4821, 8035, 14463

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001101001111011

Octal: 215173

Duodecimal: 35A23

Hexadecimal: 11a7b

Square: 5229459225

Square Root: 268.91448454852707

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 colored integer partitions of n such that nine colors are used and parts differ by size or by color. A327387

a(n) = a(n-2) + a(n-3), with a(0) = 0, a(1) = 1, a(2) = 4. A7309

Number of words of length 6 in the n(n-1)/2 transpositions of S[ n ] equivalent to the identity. A29700

75-gonal numbers: a(n) = n*(73·n-71)/2. A98230

Smallest Fibonacci number containing exactly n 8's. A72315