Properties of the Number -10005

Ten Thousand Five

Basics

Value: -10006 → -10005 → -10004

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 6

Digital Root: 6

Palindrome: No

Factorization: 3 × 5 × 23 × 29

Divisors: 1, 3, 5, 15, 23, 29, 69, 87, 115, 145

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

603 Try Today's Challenge

Representations

Binary: -10011100010101

Octal: -23425

Duodecimal: -5959

Hexadecimal: -2715

Square: 100100025

Square Root: 100.024996875781

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

Coefficients of the invariant of degree 30 associated with the icosahedral group. A128809

Numbers in which 0 outnumbers all other digits together. A292730

Numbers k such that σ(k) = σ(k+12). A15882

Numbers k such that the number of digits d in k² is not prime and for each factor f of d the sum of the d/f digit groupings in k² of size f is a square. A153745

Numbers k such that the average digit of k² is 1. A164771

Odd composite numbers k such that cototient(k) - φ(k) = k - 2*φ(k) is an odd prime. A83255

Fourth powers (n·n * n·n) in carryless arithmetic mod 10. A169886

Least multiple of n in which the n-th digit from left is 5. A113560

Numbers k such that k and k² use only the digits 0, 1, 2, 3 and 5. A136811

Numbers that are the sum of ten fourth powers in ten or more ways. A345603