Properties of the Number -8890

Eight Hundred Ninety

Basics

Value: -8891 → -8890 → -8889

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 × 5 × 7 × 127

Divisors: 1, 2, 5, 7, 10, 14, 35, 70, 127, 254

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

7925 Try Today's Challenge

Representations

Binary: -10001010111010

Octal: -21272

Duodecimal: -518A

Hexadecimal: -22ba

Square: 79032100

Square Root: 94.28679653058533

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

Numbers k such that 3^k - 2 is prime. A14224

Binomial matrix applied to A111418. A126791

Number of permutations according to distance. A2525

Inverse permutation to A190016: lexicographical ordering of integers 1 .. 10⁴. A190017

Number T(n,k) of tilings of a 5 X n rectangle with pentominoes of any shape and exactly k pentominoes of shape W; triangle T(n,k), n>=0, 0<=k<=max(0,floor((n-2)/2)*2) read by rows. A247710

Denominators of continued fraction convergents to sqrt(474). A41905

a(n) = n⁴ - n³ - n² - n. A152016

a(0) = ... = a(3) = 1; a(n) = ∑_k=1..n-4 a(k) * a(n-k-4). A346048

Expansion of q^-1/3 * (η(q) * η(q⁹))² / η(q³)⁴ in powers of q. A192329

a(n) is the position of first occurrence of n² in the concatenation of the positive integers in decimal representation. A290647