Properties of the Number -25524

Twenty-Five Thousand Five Hundred Twenty-Four

Basics

Value: -25525 → -25524 → -25523

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 ² × 3 ² × 709

Divisors: 1, 2, 3, 4, 6, 9, 12, 18, 36, 709

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: -110001110110100

Octal: -61664

Duodecimal: -12930

Hexadecimal: -63b4

Square: 651474576

Square Root: 159.76232346833217

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 partitions of n into relatively prime parts. Also aperiodic partitions. A837

Product(1 + a(n)*xⁿ, n=1..infinity) = sum(F(k+1)*x^k, k=1..infinity) = 1/(1-x-x²), where F(n) = A000045(n) (Fibonacci numbers). A147542

Number of distinct sums of subsets of the first n squares {1,4,9,...,n²}. A208531

a(n) is the number of vertices formed by n-secting the angles of a nonagon (enneagon). A335782

a(n) = a(n-1) + 3·a(n-2) -2·a(n-3) - 2·a(n-4), where a(0) = 1, a(1) = 3, a(2) = 6, a(3) = 10. A295719

Numbers k such that at least 7 of k, k+1, ..., k+9 are divisible by their least prime factor squared. A328817

Four-column array read by rows: T(n,k) for k=0..3 is the k-th component of the vector obtained by multiplying the n-th power of the 4 X 4 matrix (1,1,1,1; 7,3,1,0; 12,2,0,0; 6,0,0,0) and the vector (1,1,1,1). A95797

Numbers n such that n is the mean value of φ(n) and reversal(n). A178326

Number of antipodally self-dual spherical polyhedra with n vertices. A392894