Properties of the Number -1020005

Twenty Thousand Five

Basics

Value: -1020006 → -1020005 → -1020004

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 8

Digital Root: 8

Palindrome: No

Factorization: 5 × 7 × 151 × 193

Divisors: 1, 5, 7, 35, 151, 193, 755, 965, 1057, 1351

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11111001000001100101

Octal: -3710145

Duodecimal: -412345

Hexadecimal: -f9065

Square: 1040410200025

Square Root: 1009.9529692020317

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(1) = 1, a(n) is the smallest multiple of n which begins with a(n-1) and is greater than a(n-1). A78282

Fixed points of permutations A118763, A118764, A118765 and A118766. A118767

Least numbers whose groups of 2,3,...,n digits taken from the left are divisible by 2,3,...,n. A214437