Properties of the Number 104

One Hundred Four

Basics

Value: 103 → 104 → 105

Parity: even

Prime: No

Previous Prime: 103

Next Prime: 107

Digit Sum: 5

Digital Root: 5

Palindrome: No

Factorization: 2 ³ × 13

Divisors: 1, 2, 4, 8, 13, 26, 52, 104

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101000

Octal: 150

Duodecimal: 88

Hexadecimal: 68

Square: 10816

Square Root: 10.198039027185569

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(n) = σ(n), the sum of the divisors of n. Also called sigma₁(n). A203

Expansion of ∏_{m >= 1} (1 + x^m); number of partitions of n into distinct parts; number of partitions of n into odd parts. A9

The nonnegative even numbers: a(n) = 2n. A5843

Numbers that are not squarefree. Numbers that are divisible by a square greater than 1. The complement of A005117. A13929

Numbers k such that (16·10^k - 31)/3 is prime. A270929

Numbers k such that 8·10^k - 49 is prime. A271269

Abundant numbers (sum of divisors of m exceeds 2m). A5101

Numbers in base 5. A7091

Odious numbers: numbers with an odd number of 1's in their binary expansion. A69

Numbers that are not powers of primes p^k (k >= 0); complement of A000961. A24619

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