Properties of the Number 72025

Seventy-Two Thousand Twenty-Five

Basics

Value: 72024 → 72025 → 72026

Parity: odd

Prime: No

Previous Prime: 72019

Next Prime: 72031

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 5 ² × 43 × 67

Divisors: 1, 5, 25, 43, 67, 215, 335, 1075, 1675, 2881

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10001100101011001

Octal: 214531

Duodecimal: 35821

Hexadecimal: 11959

Square: 5187600625

Square Root: 268.3747380063928

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

G.f.: ∏_j>=1 ∏_i>=1 (1 + x^i·j). A107742

Consecutive internal states of the linear congruential pseudo-random number generator (321·s + 123) mod 10⁵ when started at 1. A383128

Numbers k such that (85·10^k - 1)/3 is prime. A289942

a(n) = n⁴ + 2·n³ + 4·n² + 3·n + 1 = ((n+1)⁵+n⁵) / (2·n+1). A72025