Properties of the Number -12280

Twelve Thousand Two Hundred Eighty

Basics

Value: -12281 → -12280 → -12279

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 ³ × 5 × 307

Divisors: 1, 2, 4, 5, 8, 10, 20, 40, 307, 614

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: -10111111111000

Octal: -27770

Duodecimal: -7134

Hexadecimal: -2ff8

Square: 150798400

Square Root: 110.81516141756055

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

Expansion of e.g.f. arctan(sin(x)*log(x+1)). A12283

Expansion of e.g.f.: tanh(sin(x)*log(x+1)). A12286

Numerator of Hermite(n, 10/13). A159504

T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with no 3x3 subblock diagonal sum 3 and no antidiagonal sum 3 and no row sum 0 and no column sum 0. A256748

Expansion of ∏_k>=1 1/(1 - (4·k-3)*x^4·k-3). A265830

a(n) = 3·a(n-1) - 2·a(n-2) with a(0)=16 and a(1)=40. A182461

G.f. A(x) satisfies A(x) = 1 + x*(1+x²)³*A(x)³. A385317

Number of edges formed in a square by straight line segments when connecting the n+1 points along each edge that divide it into n equal parts to the n+1 points on the edge on the opposite side of the square. A355840

Number of partitions of n in which no parts are multiples of 25. A92885

a(n) = 2·n*(16·n - 13). A263228