Properties of the Number 25216

Twenty-Five Thousand Two Hundred Sixteen

Basics

Value: 25215 → 25216 → 25217

Parity: even

Prime: No

Previous Prime: 25189

Next Prime: 25219

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 ⁷ × 197

Divisors: 1, 2, 4, 8, 16, 32, 64, 128, 197, 394

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 110001010000000

Octal: 61200

Duodecimal: 12714

Hexadecimal: 6280

Square: 635846656

Square Root: 158.79546593023366

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 graphs with n nodes on a circle without crossing edges. A54726

Primitive practical numbers of the form 2ⁱ * prime(k). A308710

Let S denote the palindromes in the language {0,1,2,3}*; a(n) = number of words of length n in the language SS. A7057

Values of L(10ⁿ), where L(n) is the summatory function of the Liouville function A008836(n). A90410

Numbers m such that m = p² + k², with p > 0, where p = A007954(m) = the product of digits of m. A334557

Let Do(n) = A006566(n) = n-th dodecahedral number. Consider all integer triples (i,j,k), j >= k>0, with Do(i) = Do(j) + Do(k), ordered by increasing i; sequence gives i values. A53017

Difference between 2ⁿ and the largest factorial <= 2ⁿ. A135996

a(n) = 2*(3·n+1)*(9·n+8). A304506

E.g.f. is the logarithmic derivative of e.g.f. for Pell numbers [1, 0, 1, 2, 5, ...]. A6673

Expansion of e.g.f. sin(sinh(x)*sin(x))/2 in odd powers of x². A9497