Properties of the Number -99999999

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

Basics

Value: -100000000 → -99999999 → -99999998

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 72

Digital Root: 9

Palindrome: Yes

Factorization: 3 ² × 11 × 73 × 101 × 137

Divisors: 1, 3, 9, 11, 33, 73, 99, 101, 137, 219

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101111101011110000011111111

Octal: -575360377

Duodecimal: -295A6453

Hexadecimal: -5f5e0ff

Square: 9999999800000001

Square Root: 9999.99995

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 - n⁸. A24006

A modular binomial transform of 10ⁿ. A101678

a(n) = 10ⁿ - 1. A2283

Largest number whose 4th power has n digits. A114322

The sequence S = a(1), a(2), ... is defined by a(1)=1, if d,e,f are consecutive digits then we do not have d >= e > f, and S is always extended with the smallest integer not yet present in S. A239215

Largest number whose cube has n digits. A61439

a(1) = 1, a(n+1) > a(n) is the smallest multiple of a(n) using only odd digits. A78221

Numbers k such that k concatenated with k-3 gives the product of two numbers which differ by 4. A116136

Largest number whose square has n digits. A49416

Numbers k such that the digits of sqrt(k) begin with k. A307371