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Properties of the Number -9560

Five Hundred Sixty

Basics

Value: -9561 → -9560 → -9559

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 3 × 5 × 239

Divisors: 1, 2, 4, 5, 8, 10, 20, 40, 239, 478

Polygonal

Triangular: No

Square: No

Pentagonal: Yes

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: -10010101011000

Octal: -22530

Duodecimal: -5648

Hexadecimal: -2558

Square: 91393600

Square Root: 97.77525249264254

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

Pentagonal numbers with even index. A49452
Numbers k such that A102489(k) is divisible by k. A32563
T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with every 3X3 subblock diagonal sum plus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally. A254020
T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with every 3X3 subblock diagonal sum plus antidiagonal median nondecreasing horizontally and vertically. A254894
Let A denote the sequence; A is equal to the union of the self-convolutions A2 and A3, with terms in ascending order by size. A90845
Pentagonal numbers (A000326) which are the sum of 2 other positive pentagonal numbers. A136117
Self-convolution cube of A090845. A222083
Expansion of q-1/2 * k(q) * (1 - k(q)4) * (K(q) / (π/2))6 / 4 in powers of q where k(), k'(), K() are Jacobi elliptic functions. A225923
Pentagonal numbers that are abundant. A379264
Numerators of continued fraction convergents to sqrt(664). A42276