Properties of the Number -99999999999

Ninety-Nine Billion Nine Hundred Ninety-Nine Million Nine Hundred Ninety-Nine Thousand Nine Hundred Ninety-Nine

Basics

Value: -100000000000 → -99999999999 → -99999999998

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 99

Digital Root: 9

Palindrome: Yes

Factorization: 3 ² × 21649 × 513239

Divisors: 1, 3, 9, 21649, 64947, 194841, 513239, 1539717, 4619151, 11111111111

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: -1011101001000011101101110011111111111

Octal: -1351035563777

Duodecimal: -1746996A453

Hexadecimal: -174876e7ff

Square: 9999999999800000000001

Square Root: 316227.7660152568

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 - n¹¹. A24009

a(n) = (-10)ⁿ + 1 - 0ⁿ. A103461

a(n) = 10ⁿ - 1. A2283

Largest number whose square has n digits. A49416

Divisors of 10¹¹ - 1. A27896

n times n+4 gives the concatenation of two numbers m and m-4. A116260

a(n) = (n-1)ⁿ - 1. A85606

a(n) = n·10ⁿ - 1. A64756

Repdigit Kaprekar numbers. A145875

a(n) = denominator of fraction a/b, where gcd(a, b) = 1, whose decimal representation has the form 0.(1)(2)(3)...(n-1)(n)... with period (1)(2)(3)...(n-1)(n). A172498