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Properties of the Number -999999999998

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

Basics

Value: -999999999999 → -999999999998 → -999999999997

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 107

Digital Root: 8

Palindrome: No

Factorization: 2 × 2969 × 168406871

Divisors: 1, 2, 2969, 5938, 168406871, 336813742, 499999999999, 999999999998

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: -1110100011010100101001010000111111111110

Octal: -16432451207776

Duodecimal: -141981B87852

Hexadecimal: -e8d4a50ffe

Square: 999999999996000000000004

Square Root: 999999.999999

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

Positive integers k such that f(k)+f(k)=concatenation of k and k, where f(k)=k(k+3)/2 (A000096). A99150
Numbers k such that the digits of sqrt(k) begin with k. A307371
Numbers k such that k*(k+6) gives the concatenation of two numbers m and m-9. A116229
a(n) is the largest n-digit number with exactly 8 divisors, a(n) = 0 if no such number exists. A182676
Zeroless numbers that have the largest possible remainder when divided by their digit product. A348834
Largest n-digit squarefree number. A74110
{Concatenation of n-1 and n+1}/n where n is a member of A069871. A77192
Largest n-digit number that is divisible by exactly 3 primes (counted with multiplicity). A180927
Positive integers a(n) such that number of digits in decimal expansion of a(n)a(n) is divisible by a(n). A256162
Nontotients of the form 10k - 2. A292552