Properties of the Number 25814

Twenty-Five Thousand Eight Hundred Fourteen

Basics

Value: 25813 → 25814 → 25815

Parity: even

Prime: No

Previous Prime: 25801

Next Prime: 25819

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 × 12907

Divisors: 1, 2, 12907, 25814

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 110010011010110

Octal: 62326

Duodecimal: 12B32

Hexadecimal: 64d6

Square: 666362596

Square Root: 160.66735822811054

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

T(n,k)=Number of -k..k arrays x(0..n-1) of n elements with sum zero and with zeroth through n-1st differences all nonzero. A200038

Numbers n such that h(n) = 3 h(n-1) where h(n) is the length of the sequence {n, f(n), f(f(n)), ...., 1} in the Collatz (or 3x + 1) problem. (The earliest "1" is meant.) A78420

Number of -n..n arrays x(0..5) of 6 elements with sum zero and with zeroth through 5th differences all nonzero. A200042

Number of -5..5 arrays x(0..n-1) of n elements with sum zero and with zeroth through n-1st differences all nonzero. A200035

Ulam numbers k such that 4·k and 16·k are also Ulam numbers. A287634

Number of n X 4 array permutations with each element moving zero or one space horizontally, diagonally or antidiagonally. A189645

Expansion of 1/((1-x²)*(1-x⁶)*(1-x⁹)). A25814