Properties of the Number -11111111111111

Eleven Trillion One Hundred Eleven Billion One Hundred Eleven Million One Hundred Eleven Thousand One Hundred Eleven

Basics

Value: -11111111111112 → -11111111111111 → -11111111111110

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 14

Digital Root: 5

Palindrome: Yes

Factorization: 11 × 239 × 4649 × 909091

Divisors: 1, 11, 239, 2629, 4649, 51139, 909091, 1111111, 10000001, 12222221

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

9108 Try Today's Challenge

Representations

Binary: -10100001101100000001110101001011000111000111

Octal: -241540165130707

Duodecimal: -12B54A876831B

Hexadecimal: -a1b01d4b1c7

Square: 123456790123454320987654321

Square Root: 3333333.3333333167

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

Repunits: (10ⁿ - 1)/9. Often denoted by R_n. A2275

Unary representation of natural numbers. A42

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. A239090

Numbers n with property that for each single digit d of n, we can also see the decimal expansions of d² and d³ as substrings of n. Also n may not contain any 0 digits. A135463

A shell geometric model of the atomic nucleus. A130602

Bisection of A002275. A99814

a(n) = ∑_j=0..13 n^j. A104376

a(1) = 1; a(n) = smallest palindromic number of the form k·a(n-1) + 1 with k > 1. A69505

a(1) = 2; a(n) = smallest palindromic number of the form k·a(n-1) + 1 with k > 1. A69506

a(1) = 4; a(n) = smallest palindromic number of the form k·a(n-1) + 1 with k > 1. A69507