Properties of the Number 72493

Seventy-Two Thousand Four Hundred Ninety-Three

Basics

Value: 72492 → 72493 → 72494

Parity: odd

Prime: Yes

Previous Prime: 72481

Next Prime: 72497

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 72493

Divisors: 1, 72493

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10001101100101101

Octal: 215455

Duodecimal: 35B51

Hexadecimal: 11b2d

Square: 5255235049

Square Root: 269.2452413692766

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 square lattice worms w_n. A356617

Numbers that are both lucky-indexed primes and prime-indexed lucky numbers. A307009

Primes which become squares when the digits are rotated once to the right. A234925

a(1) = 1 and a(n) = ceiling((∑_k=1..n-1 a(k))/3) for n >= 2. A72493

Numbers k such that k² + k + 72491 is prime. A253239