Properties of the Number 72387

Seventy-Two Thousand Three Hundred Eighty-Seven

Basics

Value: 72386 → 72387 → 72388

Parity: odd

Prime: No

Previous Prime: 72383

Next Prime: 72421

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ³ × 7 × 383

Divisors: 1, 3, 7, 9, 21, 27, 63, 189, 383, 1149

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001101011000011

Octal: 215303

Duodecimal: 35A83

Hexadecimal: 11ac3

Square: 5239877769

Square Root: 269.0483227972254

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 nX1 0..4 arrays with every element value z a city block distance of exactly z from another element value z. A209717

Number of -2..2 arrays x(i) of n+1 elements i=1..n+1 with x(i)+x(j), x(i+1)+x(j+1), -(x(i)+x(j+1)), and -(x(i+1)+x(j)) having one or three distinct values for every i<=n and j<=n. A211460

Index of first occurrence of n appearing twice in succession in van Eck's sequence (A181391), or 0 if it never occurs. A308782

Triangular number·such that x + reverse of·is a prime. A72387