Properties of the Number 23328

Twenty-Three Thousand Three Hundred Twenty-Eight

Basics

Value: 23327 → 23328 → 23329

Parity: even

Prime: No

Previous Prime: 23327

Next Prime: 23333

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 ⁵ × 3 ⁶

Divisors: 1, 2, 3, 4, 6, 8, 9, 12, 16, 18

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 101101100100000

Octal: 55440

Duodecimal: 11600

Hexadecimal: 5b20

Square: 544195584

Square Root: 152.73506473629428

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: Yes

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

11-almost primes (generalization of semiprimes). A69272

Number of invertible 2 X 2 matrices mod n. A252

4-full numbers: if a prime p divides k then so does p⁴. A36967

Number of subsets of {1..n} (including empty set) such that the pairwise products of distinct elements are all distinct. A196724

Exponentially evil numbers. A262675

a(n) = (1/2)*(n³ + n*(n mod 2)). A317614

Ratios of successive terms are 3, 2, 3, 2, 3, 2, 3, 2, ... A26532

a(n) = 4·n³. A33430

a(n) = ceiling(nⁿ/2). A168658

Expansion of exp(3·x)*cosh(3·x). A81341