Properties of the Number 72090

Seventy-Two Thousand Ninety

Basics

Value: 72089 → 72090 → 72091

Parity: even

Prime: No

Previous Prime: 72089

Next Prime: 72091

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ⁴ × 5 × 89

Divisors: 1, 2, 3, 5, 6, 9, 10, 15, 18, 27

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001100110011010

Octal: 214632

Duodecimal: 35876

Hexadecimal: 1199a

Square: 5196968100

Square Root: 268.49581002317336

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

Triangle read by rows, k!*S₃(n, k) where S_m(n, k) are the Stirling-Frobenius subset numbers of order m; n >= 0, k >= 0. A225472

Number of ways to write n as an ordered sum of ten powers of 2. A342254

Averages y of twin prime pairs that satisfy y = x² + x - 2. A214840

Expansion of s(q)⁶ where s() is cubic AGM θ functions. A320677

Members of A014574 with sum of prime factors (with multiplicity) also in A014574. A349455

Coefficients of xⁿ in the (n-1)-th iteration of x/(1-x)² for n>=1. A167014

Permutation of natural numbers induced by the automorphism cdr_robr_car! acting on the parenthesizations encoded by A014486. A72090