Properties of the Number 18304

Eighteen Thousand Three Hundred Four

Basics

Value: 18303 → 18304 → 18305

Parity: even

Prime: No

Previous Prime: 18301

Next Prime: 18307

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 ⁷ × 11 × 13

Divisors: 1, 2, 4, 8, 11, 13, 16, 22, 26, 32

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 100011110000000

Octal: 43600

Duodecimal: A714

Hexadecimal: 4780

Square: 335036416

Square Root: 135.2922762023021

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(1) = 11; for n > 0, a(n+1) = a(n) * sum of digits of a(n). A47902

Number of genus 3, degree n, simply ramified covers of an elliptic curve. A170992

Numbers with prime signature {7,1,1}, i.e., of form p⁷*q·r with p, q and r distinct primes. A179696

Number of 2-colored graphs on n labeled nodes. A213441

Triangle giving a(n,k) = number of k-colored labeled graphs with n nodes. A46860

Riordan array (1, x·c(2x)), c(x) the g.f. of A000108. A110510

Lower triangular array called S1hat(4) related to partition number array A144885. A144886

Row 3 in rectangular array A292929. A294066

Numbers with an equal number of deficient and abundant divisors. A335543

G.f. A(x) satisfies: 5·A(x) = A(A(A(A(x)))) + 4·x + x² with A(0)=0. A138914