Properties of the Number -25630

Twenty-Five Thousand Six Hundred Thirty

Basics

Value: -25631 → -25630 → -25629

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 × 5 × 11 × 233

Divisors: 1, 2, 5, 10, 11, 22, 55, 110, 233, 466

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110010000011110

Octal: -62036

Duodecimal: -129BA

Hexadecimal: -641e

Square: 656896900

Square Root: 160.09372255026116

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 6's in all partitions of n. A24790

Expansion of 2·x²*(3-x)/((1+x)*(1-3·x+x²)). A121801

a(n) = number of subsets of {1, 2, ..., n} that represent the first k divisors of m for some positive integers m and 1 <= k <= A000005(m). A378314

Number of partitions of 2·n into parts with multiplicity <= n. A232623

Expansion of e.g.f. exp(∑_k>=1 μ(k)*x^k/k!), where μ() is the Moebius function (A008683). A300673

Sum of remainders when n-th Fibonacci number is divided by all smaller Fibonacci numbers > 1. A72523

Number of 4-bead necklaces labeled with numbers -n..n allowing reversal, with sum zero with no three beads in a row equal. A209345

Triangle read by rows: number of (1-2-3)-avoiding permutations on n letters with k peaks. A236406

Positive numbers k such that k and 2·k are anagrams in base 9 (written in base 9). A23079

Number of (n+1) X (3+1) 0..1 arrays with nondecreasing x(i,j)-x(i,j-1) in the i direction and nondecreasing absolute value of x(i,j)-x(i-1,j) in the j direction. A250764