Properties of the Number -88889

Eighty-Eight Thousand Eight Hundred Eighty-Nine

Basics

Value: -88890 → -88889 → -88888

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 41

Digital Root: 5

Palindrome: No

Factorization: 103 × 863

Divisors: 1, 103, 863, 88889

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8109 Try Today's Challenge

Representations

Binary: -10101101100111001

Octal: -255471

Duodecimal: -43535

Hexadecimal: -15b39

Square: 7901254321

Square Root: 298.14258333891183

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(0)=1, a(n) = a(n-1) + 8·10^n-1. A59482

For k in {2,3,...,9} define a sequence as follows: a(0)=0; for n>=0, a(n+1)=a(n)+1, unless a(n) ends in k, in which case a(n+1) is obtained by replacing the last digit of a(n) with the digit(s) of k². This is k(9). A237346

Numbers which have only digits 8 and 9 in base 10. A256341

Numbers whose smallest decimal digit is 8. A284069

a(n) = n⁵-n⁴-n³-n²-n-1. A125083

First differences of A007088. A138342

Expansion of (1 + 4·x - 6·x²) / ((1 - x) * (1 - 10·x²)). A328333

A subdiagonal of number array A083064. A83073

Numbers k such that the concatenation of 8·k with k gives a square. A115551

Number of 4Xn integer arrays with each element equal to the number of horizontal and antidiagonal neighbors not equal to itself. A265994