Properties of the Number -9999999998

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

Basics

Value: -9999999999 → -9999999998 → -9999999997

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 89

Digital Root: 8

Palindrome: No

Factorization: 2 × 17 × 14033 × 20959

Divisors: 1, 2, 17, 34, 14033, 20959, 28066, 41918, 238561, 356303

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1001010100000010111110001111111110

Octal: -112402761776

Duodecimal: -1B30B91052

Hexadecimal: -2540be3fe

Square: 99999999960000000004

Square Root: 99999.99999

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

Largest n-digit squarefree number. A74110

{Concatenation of n-1 and n+1}/n where n is a member of A069871. A77192

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 10^k - 2. A292552