Properties of the Number -1000000000

Basics

Value: -1000000001 → -1000000000 → -999999999

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 1

Digital Root: 1

Palindrome: No

Factorization: 2 ⁹ × 5 ⁹

Divisors: 1, 2, 4, 5, 8, 10, 16, 20, 25, 32

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -111011100110101100101000000000

Octal: -7346545000

Duodecimal: -23AA93854

Hexadecimal: -3b9aca00

Square: 1000000000000000000

Square Root: 31622.776601683792

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: Yes

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) = (-n)^n-1. A213236

Powers of 10: a(n) = 10ⁿ. A11557

Number of labeled rooted trees with n nodes: n^n-1. A169

Ninth powers: a(n) = n⁹. A1017

If n = 2^a * 3^b * 5^c * 7^d * ... then a(n) = a + 10·b + 100·c + 1000·d + ... . A54841

Smallest number whose cube has n digits. A18005

Powers of cube root of 10 rounded to nearest integer. A18004

Array read by upward antidiagonals: Niven (or Harshad) numbers arranged in rows by their digit sums. A245062

Powers of cube root of 10 rounded down. A18003

Smallest cube containing exactly n 0's. A36527