Properties of the Number -1000000001

One

Basics

Value: -1000000002 → -1000000001 → -1000000000

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 2

Digital Root: 2

Palindrome: Yes

Factorization: 7 × 11 × 13 × 19 × 52579

Divisors: 1, 7, 11, 13, 19, 77, 91, 133, 143, 209

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -111011100110101100101000000001

Octal: -7346545001

Duodecimal: -23AA93855

Hexadecimal: -3b9aca01

Square: 1000000002000000001

Square Root: 31622.776617495183

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(0)=1; a(n) = 10ⁿ + 1, n >= 1. A533

a(n) = 10ⁿ + 1. A62397

Smallest multiple of n with digit sum = 2, or 0 if no such number exists, e.g., a(3k)=0. A69521

Smallest number k not divisible by 10 such that k² contains exactly n zeros. A134845

Numbers whose cube is a palindrome. A2780

a(n) = smallest number that leads to a new cycle under the Kaprekar map of A151949. A151964

a(n) is the smallest value of m such that A002378(m), the m-th oblong number, contains exactly n 0's. A48529

The number n written using the greedy algorithm in the base where the values of the places are 1 and primes. A7924

Numbers of the form (10^m·r-1)/(10^r-1) for positive integers m, r. A76289

a(n)=A082776(n+1)/A082776(n). A88771