Properties of the Number -19456

Nineteen Thousand Four Hundred Fifty-Six

Basics

Value: -19457 → -19456 → -19455

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 ¹⁰ × 19

Divisors: 1, 2, 4, 8, 16, 19, 32, 38, 64, 76

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100110000000000

Octal: -46000

Duodecimal: -B314

Hexadecimal: -4c00

Square: 378535936

Square Root: 139.48476619330157

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) = (1-2n)*2ⁿ. A143126

Triangle T(n,k): the coefficient [x^n-k] of the polynomial 2ⁿ*n!*L(n,3/2,x), where L is the generalized Laguerre Polynomial in the Abramowitz-Stegun normalization. A229789

Expansion of x*(x³+2·x²+3·x-1)/(x+1)⁵. A119515

a(n) = 2·a(n-1) + 4·a(n-2), a(0)=1, a(1)=1. A84057

11-almost primes (generalization of semiprimes). A69272

Numerator of ∑_k=0..n 1/binomial(n,k). A46825

First differences of A045891. A34007

T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with every 3X3 subblock diagonal maximum plus antidiagonal minimum nondecreasing horizontally, vertically and ne-to-sw antidiagonally. A254491

Numbers n such that p(7n) is prime, where p(n) is the number of partitions of n. A114167

Paradigm shift sequence for (4,5) production scheme with replacement. A246099