Properties of the Number 23404

Twenty-Three Thousand Four Hundred Four

Basics

Value: 23403 → 23404 → 23405

Parity: even

Prime: No

Previous Prime: 23399

Next Prime: 23417

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 5851

Divisors: 1, 2, 4, 5851, 11702, 23404

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 101101101101100

Octal: 55554

Duodecimal: 11664

Hexadecimal: 5b6c

Square: 547747216

Square Root: 152.9836592581051

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 maximal sum-free subsets of {1,2,...,n}. A121269

T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with no 2X2 subblock having the sum of its diagonal elements greater than the maximum of its antidiagonal elements. A251028

Pseudoprimes to base 5, written in base 5. A262102

T(n,k)=Number of nXk 0..1 arrays with every element equal to 1, 2, 3, 4 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. A300930

Triangle read by rows: T(n,k) is the number of unoriented series-parallel networks with n colored elements using exactly k colors. A339282

Positive integers whose square is the sum of 96 consecutive squares. A257827

Number of unoriented series-parallel networks with n colored elements using exactly 2 colors. A339281

High water marks for number of primes between prime(n)² and prime(n+1)². A380135

Number of n X 2 0..3 arrays with rows and columns lexicographically nondecreasing read forwards and nonincreasing read backwards. A201975

Number of length n+5 0..3 arrays with some three disjoint pairs in each consecutive six terms having the same sum. A248484