Properties of the Number 25600

Twenty-Five Thousand Six Hundred

Basics

Value: 25599 → 25600 → 25601

Parity: even

Prime: No

Previous Prime: 25589

Next Prime: 25601

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 ¹⁰ × 5 ²

Divisors: 1, 2, 4, 5, 8, 10, 16, 20, 25, 32

Polygonal

Triangular: No

Square: Yes

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 110010000000000

Octal: 62000

Duodecimal: 12994

Hexadecimal: 6400

Square: 655360000

Square Root: 160

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: Yes

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 line segments (or edges) in regular n-gon with all diagonals drawn. A135565

a(n) is the maximal number of a's that can be produced in a blank document with n "keystrokes". A193286

12-almost primes (generalization of semiprimes). A69273

Numbers whose prime factors are 2 and 5. A33846

a(n) = n² * φ(n). A53191

a(n) = (4·n)². A16802

Numbers of form 2ⁱ*10^j, with i, j >= 0. A25612

Numbers of form 4ⁱ*10^j, with i, j >= 0. A25621

a(n) = n-th n-almost prime. A101695

a(n) = ∏_i=0..6 floor((n+i)/7). A9641