Properties of the Number -1001001

One Thousand One

Basics

Value: -1001002 → -1001001 → -1001000

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 3

Digital Root: 3

Palindrome: Yes

Factorization: 3 × 333667

Divisors: 1, 3, 333667, 1001001

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11110100011000101001

Octal: -3643051

Duodecimal: -403349

Hexadecimal: -f4629

Square: 1002003002001

Square Root: 1000.5003748125235

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

Representation of n in base of Fibonacci numbers (the Zeckendorf representation of n). Also, binary words starting with 1 not containing 11, with the word 0 added. A14417

Primes written in base 2. A4676

Numbers whose square is a palindrome. A2778

Palindromes only using 0 and 1 (i.e., base-2 palindromes). A57148

Coefficients of irreducible polynomials over GF(2) listed in lexicographic order. A58943

Sums of 3 distinct powers of 10. A38445

Minimal (or "greedy") Lucas representation of n, in which L(0) = 2 and L(2) = 3 are not allowed in the same representation (hence the correct representation of the integer 5 is 1010 rather than 101). A binary system of integers with Lucas numbers (A000032) as a base. A130310

Numbers that have only the digit "1" as first, central and final digit. For numbers with 5 or more digits the rest of digits are "0". A135577

Numbers k such that k³ divides 10^k² - 1. A177243

Divisors of 999999999. A27889