Properties of the Number 18104

Eighteen Thousand One Hundred Four

Basics

Value: 18103 → 18104 → 18105

Parity: even

Prime: No

Previous Prime: 18097

Next Prime: 18119

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 ³ × 31 × 73

Divisors: 1, 2, 4, 8, 31, 62, 73, 124, 146, 248

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 100011010111000

Octal: 43270

Duodecimal: A588

Hexadecimal: 46b8

Square: 327754816

Square Root: 134.5511055324333

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

Shifts 2 places left when convolved with itself. A7477

Number of parts > 1 in the last section of the set of partitions of n. A138135

Number of point symmetric solutions to non-attacking queens problem on n X n board. A32522

Number of parts in all partitions of 2n+1 that do not contain 1 as a part. A182735

Square array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where column k is the expansion of e.g.f. B(x)^k, where B(x) is the e.g.f. of A384760. A384761

Number of proper factorizations of p1ⁿ*p2³, where p1 and p2 are distinct primes. A31126

Number of partitions of n into parts not of the form 25k, 25k+12 or 25k-12. Also number of partitions with at most 11 parts of size 1 and differences between parts at distance 11 are greater than 1. A36011

Number of length n+7 0..1 arrays with at most two downsteps in every 7 consecutive neighbor pairs. A256815

Number of n X 3 0..1 arrays with every element unequal to 2 or 3 horizontally or vertically adjacent elements, with upper left element zero. A303631

Erroneous version of A032522. A17