Properties of the Number 15424

Fifteen Thousand Four Hundred Twenty-Four

Basics

Value: 15423 → 15424 → 15425

Parity: even

Prime: No

Previous Prime: 15413

Next Prime: 15427

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 ⁶ × 241

Divisors: 1, 2, 4, 8, 16, 32, 64, 241, 482, 964

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11110001000000

Octal: 36100

Duodecimal: 8B14

Hexadecimal: 3c40

Square: 237899776

Square Root: 124.1933975700802

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 subsets of {1..n} of which every subset has a different sum. A325864

Number of closed Knight's tours on a 3 X 2n board. A70030

Number of closed Knight's tours on a 3 X n board. A169764

a(n) = ceiling(∑_i=1..n-1 a(i)/4) for n >= 2 starting with a(1) = 1. A120160

Number T(n,k) of permutations p of [n] such that |p(i+k) - p(i)| <> k for i in [n-k]; triangle T(n,k), n>=0, 0<=k<=n, read by rows. A333706

Number of binary toroidal necklaces of size n. A323859

T(n,k) = number of n-step one or two space at a time rook's tours on a k X k board summed over all starting positions. A187286

Total number of permutations p of [n] such that |p(i+3) - p(i)| is not equal to 3 for 1 <= i <= n-3. A117574

T(n,k) = Number of n-turn bishop's tours on a k X k board summed over all starting positions. A188777

Numbers n > 1 such that n⁵ - 2 has no prime factor > n. A83955