Properties of the Number -11111112

Eleven Million One Hundred Eleven Thousand One Hundred Twelve

Basics

Value: -11111113 → -11111112 → -11111111

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 9

Digital Root: 9

Palindrome: No

Factorization: 2 ³ × 3 ² × 154321

Divisors: 1, 2, 3, 4, 6, 8, 9, 12, 18, 24

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101010011000101011001000

Octal: -52305310

Duodecimal: -387A060

Hexadecimal: -a98ac8

Square: 123456809876544

Square Root: 3333.333466666664

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) = A047848(7,n). A47855

The Wythoff representation of n: an alternative way of presenting A189921. A317208

Kaprekar numbers: numbers k such that k = q + r and k² = q·10^m + r, for some m >= 1, q >= 0 and 0 <= r < 10^m. Here q and r must both have the same number of digits. A45913

Pseudoprimes to base 3, written in base 3. A258189

a(n) is the smallest Niven (or Harshad) number with exactly n digits and not containing the digit 0. A348150

Start with a(1) = 1. For n>1, choose a(n) to be the smallest number > a(n-1) consistent with the condition that "the a(n)-th digit is a 1" is true for all n. A114134

Numbers k such that the concatenation of k with 8·k gives a square. A115549

Smallest number whose sum of cubes of digits is n. A165370

Numbers with digital product = 2. A199986

a(n) = ceiling(10^n-1/n). A66559