Properties of the Number -1000000999999

Nine Hundred Ninety-Nine Thousand Nine Hundred Ninety-Nine

Basics

Value: -1000001000000 → -1000000999999 → -1000000999998

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 55

Digital Root: 1

Palindrome: No

Factorization: 1000000999999

Divisors: 1, 1000000999999

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1110100011010100101101000101001000111111

Octal: -16432455051077

Duodecimal: -14198238A4A7

Hexadecimal: -e8d4b4523f

Square: 1000001999998999998000001

Square Root: 1000000.499999375

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

Primes of the form m = 10ⁱ + 10^j - 1, where i > j >= 0. A239720

Primes obtained by concatenating decremented numbers starting at a power of 10. A227949

Primes of the form 10ⁱ + 10^j - 1. A306855

a(n) is the n-digit number k such that R(k)/k is maximal for any n-digit number. A372010

Least n-digit reversible prime whose difference from its reversal is maximal. A374377

First prime in primes of the form 10ⁿ + 10^n-k - 1. A96214