Properties of the Number 10005

Ten Thousand Five

Basics

Value: 10004 → 10005 → 10006

Parity: odd

Prime: No

Previous Prime: 9973

Next Prime: 10007

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

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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

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

Numbers that are the sum of ten fourth powers in exactly ten ways. A345862