Properties of the Number -1000000000001

One

Basics

Value: -1000000000002 → -1000000000001 → -1000000000000

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 2

Digital Root: 2

Palindrome: Yes

Factorization: 73 × 137 × 99990001

Divisors: 1, 73, 137, 10001, 99990001, 7299270073, 13698630137, 1000000000001

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1110100011010100101001010001000000000001

Octal: -16432451210001

Duodecimal: -141981B87855

Hexadecimal: -e8d4a51001

Square: 1000000000002000000000001

Square Root: 1000000.0000005

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

Integers written in base φ, with the "decimal point" omitted. A130600

a(n) = ∑_{k, k∣n} 10^k-1. A113999

Numbers k such that k concatenated with k-9 gives the product of two numbers which differ by 6. A116098

Bisection of A000533. A152756

a(n) = ∑_d∣n φ(d)^d+1. A342485

Palindromes of form k² + 1. A27720

a(n) = (-1)ⁿ * coefficient of xⁿ in ∑_k>=1 x^k-1/(1+10·x^k). A101563

Numbers k such that k concatenated with k-4 gives the product of two numbers which differ by 4. A116129