Properties of the Number -13625

Thirteen Thousand Six Hundred Twenty-Five

Basics

Value: -13626 → -13625 → -13624

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 5 ³ × 109

Divisors: 1, 5, 25, 109, 125, 545, 2725, 13625

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: -11010100111001

Octal: -32471

Duodecimal: -7A75

Hexadecimal: -3539

Square: 185640625

Square Root: 116.72617529928752

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

a(n) = 3·a(n-1) - 2·a(n-2) - a(n-3), with a(0)=1, a(1)=3 and a(2)=7. A368205

Numbers n that are the hypotenuse of exactly 10 distinct integer-sided right triangles, i.e., n² can be written as a sum of two squares in 10 ways. A97225

Number of partitions of n such that the set of parts and the set of multiplicities of parts are disjoint. A114639

G.f. A(x) satisfies: A(x) = 1 + x·A(x)⁵ / (1 + x). A349361

Expansion of (1 - x - x³)/((1 - x - x³)² - 4·x⁴). A375279

Numbers k such that 2·6^k - 1 is prime. A57472

Expansion of 1/(1 + 2·x + 3·x² + x³). A127896

Number of Twopins positions. A5689

Diagonal sums of the triangular matrix A190088. A190090

a(n) = ∑_{k=0..floor(n/2)} binomial(4·k,n-2·k). A375314