Properties of the Number 72324

Seventy-Two Thousand Three Hundred Twenty-Four

Basics

Value: 72323 → 72324 → 72325

Parity: even

Prime: No

Previous Prime: 72313

Next Prime: 72337

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 ² × 3 ² × 7 ² × 41

Divisors: 1, 2, 3, 4, 6, 7, 9, 12, 14, 18

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10001101010000100

Octal: 215204

Duodecimal: 35A30

Hexadecimal: 11a84

Square: 5230760976

Square Root: 268.93121797217964

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

a(n) = n³ - n². A45991

Nonsquare numbers whose sum of proper square divisors is a square greater than 1. A232555

Numbers whose sum of proper square divisors is a square greater than 1. A232556

a(n) = smallest k such that n is the n-th largest divisor of k. A225562

Inverse of coefficient array for orthogonal polynomials p(n,x)=(x-(2n-1))*p(n-1,x)-(2n-2)²*p(n-2,x). A182824

a(n) = p(p+1)², where p is the n-th prime. A178398

Triangular array read by row: T(m,n) = number of ways to obtain a single sphere by gluing the (labeled) sides of a (2m+1)-gon and a (2n+1)-gon, m >= n >= 0. A297897

Molecular topological indices of the complete bipartite graphs K_n,n. A192418

a(n) = n²*(2·n²-23). A370109

Terms of A071383 such that A071383(n) = 5·A071383(n-1). A72324