Properties of the Number 72475

Seventy-Two Thousand Four Hundred Seventy-Five

Basics

Value: 72474 → 72475 → 72476

Parity: odd

Prime: No

Previous Prime: 72469

Next Prime: 72481

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 5 ² × 13 × 223

Divisors: 1, 5, 13, 25, 65, 223, 325, 1115, 2899, 5575

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10001101100011011

Octal: 215433

Duodecimal: 35B37

Hexadecimal: 11b1b

Square: 5252625625

Square Root: 269.2118125194361

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

When squared gives number composed of digits {2,5,6}. A30486

Numbers k such that k and k² use only the digits 2, 4, 5, 6 and 7. A137094

a(n) is the number of distinct radii of circles passing through at least three points in a square grid of n X n points. A357301

Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 29 ones. A31797

Numbers k with squares that are concatenations k² = x//y such that·is an anagram of y. A162945

Sum of next n composite numbers. A72475

Tetraprime numbers differing by more than 3 from any other squarefree number. A369238