ℕ atory
Play Now

Properties of the Number 23400

Twenty-Three Thousand Four Hundred

Basics

Value: 23399 → 23400 → 23401

Parity: even

Prime: No

Previous Prime: 23399

Next Prime: 23417

Digit Sum: 9

Digital Root: 9

Palindrome: No

Factorization: 2 3 × 3 2 × 5 2 × 13

Divisors: 1, 2, 3, 4, 5, 6, 8, 9, 10, 12

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 101101101101000

Octal: 55550

Duodecimal: 11660

Hexadecimal: 5b68

Square: 547560000

Square Root: 152.97058540778355

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

If X1, ..., Xn is a partition of a 2n-set X into 2-blocks then a(n) is equal to the number of 3-subsets of X containing none of Xi, (i=1,...,n). A130809
T(n,k)=Number of arrangements of n+1 nonzero numbers x(i) in -k..k with the sum of div(x(i),x(i+1)), where div(a,b)=a/b produces the integer quotient implying a nonnegative remainder, equal to zero. A190071
T(n,k)=Number of length n+4 0..k arrays with some pair in every consecutive five terms totalling exactly k. A246892
Given M = triangle A122196 as an infinite lower triangular matrix, this sequence is limk->infinity Mk. A171238
a(n) = n*(n+1)*(n+2)*(n+7)/24. A5582
Triangle read by rows: T(n,k) = number of functions from [1,2,...,n] to [1,2,...,n] such that the image contains exactly k elements (0<=k<=n). A90657
Numbers n that raised to the powers from 1 to k (with k>=1) are multiple of the sum of their digits (n raised to k+1 must not be a multiple). Case k=9. A135194
Array T(n,m) = 2*(2m+3)!*(4n+2m+1)!/(m!*(m+2)!*n!*(3n+2m+3)!) read by antidiagonals. A146305
A triangle of numbers related to triangle A030527. A49374
Triangle read by rows: T(n,h) = number of functions f:{1,2,...,n}->{1,2,...,n} such that |Image(f)|=h; h=1,2,...,n, n=1,2,3,... . Essentially A090657, but without zeros. A101817