Properties of the Number 72380

Seventy-Two Thousand Three Hundred Eighty

Basics

Value: 72379 → 72380 → 72381

Parity: even

Prime: No

Previous Prime: 72379

Next Prime: 72383

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ² × 5 × 7 × 11 × 47

Divisors: 1, 2, 4, 5, 7, 10, 11, 14, 20, 22

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001101010111100

Octal: 215274

Duodecimal: 35A78

Hexadecimal: 11abc

Square: 5238864400

Square Root: 269.03531366718386

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 different strings of length n+4 obtained from "123...n" by iteratively duplicating any substring. A137741

Expansion of g.f.: 1/(∑_{p odd prime} x^p)² (even powers only). A351317

Numerator sequence of mean length of certain stackings of n+1 squares on a double staircase. A55245

Third differences of partition numbers A000041. A72380