Properties of the Number 23028

Twenty-Three Thousand Twenty-Eight

Basics

Value: 23027 → 23028 → 23029

Parity: even

Prime: No

Previous Prime: 23027

Next Prime: 23029

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 ² × 3 × 19 × 101

Divisors: 1, 2, 3, 4, 6, 12, 19, 38, 57, 76

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 101100111110100

Octal: 54764

Duodecimal: 113B0

Hexadecimal: 59f4

Square: 530288784

Square Root: 151.74979406905302

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

The number of permutations p of {1,...,n} satisfying |p(i)-p(i+1)| is in {4,5} for i from 1 to n-1. A174708

Let r, s, t be three permutations of the set { 1, 2, 3, ..., n }; a(n) = minimal value of ∑_i=1..n r(i)*s(i)*t(i). A70735

Number of totally ramified extensions over Q₂ with degree n in the algebraic closure of Q₂. A100979

Positive numbers of the form x⁵-10x³*y²+5x·y⁴ (where x,y are integers and y>x). A135792

Numbers of the form x⁵-10x³*y²+5x·y⁴ (where x,y are integers). A135793

Let p = n-th prime == 7 mod 8; a(n) = sum of quadratic residues mod p that are < p/2. A282039

Number of (w,x,y) with all terms in {0,...,n} and w<x+y and x<=y. A212982

a(n) = 16·n² - 2·n. A158058

Molecular topological indices of the prism graphs Y_n. A192838

Number of compositions of n where the difference between largest and smallest parts equals 2 and adjacent parts are unequal. A214271