Properties of the Number 16904

Sixteen Thousand Nine Hundred Four

Basics

Value: 16903 → 16904 → 16905

Parity: even

Prime: No

Previous Prime: 16903

Next Prime: 16921

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ³ × 2113

Divisors: 1, 2, 4, 8, 2113, 4226, 8452, 16904

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100001000001000

Octal: 41010

Duodecimal: 9948

Hexadecimal: 4208

Square: 285745216

Square Root: 130.01538370516005

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 n such that P(4n) is prime, where P(m) is the number of partitions of m. A111045

G.f.: ∑_n>=0 xⁿ * (1 + xⁿ)ⁿ / (1 + xⁿ⁺¹)ⁿ⁺¹. A323557

Numbers n such that n is a substring of its square (both n and n squared in base 4) (written in base 10). A18828

Number of partitions of n in which number of least parts is equal to least part. A96403

Number of tilings of a 4 X n rectangle using T and Z tetrominoes. A233139

T(n,k)=Number of nXk arrays containing k copies of 0..n-1 with no element 1 greater than its north, west or northwest neighbor modulo n and the upper left element equal to 0. A266832

Number of partitions of n with parts occurring at most thrice and an even number of parts. Row sums of A098489. A98491

Number of partitions of n with parts occurring at most thrice and an odd number of parts. Row sums of A098490. A98492

Numbers whose binary indices are all semiprimes. A371454

Dirichlet convolution of A276086 (primorial base exp-function) with A055615 (Dirichlet inverse of n). A383286