Properties of the Number -12800

Twelve Thousand Eight Hundred

Basics

Value: -12801 → -12800 → -12799

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 2 ⁹ × 5 ²

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

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11001000000000

Octal: -31000

Duodecimal: -74A8

Hexadecimal: -3200

Square: 163840000

Square Root: 113.13708498984761

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

Chebyshev coefficients of density of states of diamond lattice. A288457

Irregular triangle read by rows T(n,m), coefficients in power/Fourier series expansion of an arbitrary anharmonic oscillator's exact phase space angular velocity. A276814

Numbers of the form 2ⁱ*5^j with i, j >= 0. A3592

11-almost primes (generalization of semiprimes). A69272

a(n) = 8·n². A139098

Numbers whose prime factors are 2 and 5. A33846

a(n) = n * σ(A003961(n)), where A003961 shifts the prime factorization of n one step towards larger primes, and σ is the sum of the divisors of n. A341528

Numbers k such that there is 1 prime between 100·k and 100·k + 99. A186393

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

Main diagonal of the table of k-almost primes (A078840): a(n) = (n+1)-st integer that is an n-almost prime. A78841