Properties of the Number 25394

Twenty-Five Thousand Three Hundred Ninety-Four

Basics

Value: 25393 → 25394 → 25395

Parity: even

Prime: No

Previous Prime: 25391

Next Prime: 25409

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 × 12697

Divisors: 1, 2, 12697, 25394

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 110001100110010

Octal: 61462

Duodecimal: 12842

Hexadecimal: 6332

Square: 644855236

Square Root: 159.3549497191725

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

G.f.: 1 / ∏_k>=1 (1-x^k)^k-1. A52847

a(n) = ∑_k=0..n (k+1) * binomial(k,2*(n-k)). A391962

The smallest magic constant for n X n magic square with prime entries (regarding 1 as a prime). A73502

The number of 1-length gaps in all possible covers of n-length line by 2-length segments. A228577

1/(Integral_x=0..1 x^{x^(xⁿ}) dx - 1/2), rounded to the nearest integer. A322009

Number of series-reduced dyslexic planted planar trees with n leaves of 2 colors where any 2 subtrees extending from the same node are different. A32068

Numbers k such that 7·R_k+2 - 5·10^k is prime, where R_k = 11...1 is the repunit (A002275) of length k. A257028

Numbers that are the sum of 4 distinct nonzero squares in 10 or more ways. A25394