Properties of the Number 18704

Eighteen Thousand Seven Hundred Four

Basics

Value: 18703 → 18704 → 18705

Parity: even

Prime: No

Previous Prime: 18701

Next Prime: 18713

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ⁴ × 7 × 167

Divisors: 1, 2, 4, 7, 8, 14, 16, 28, 56, 112

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 100100100010000

Octal: 44420

Duodecimal: A9A8

Hexadecimal: 4910

Square: 349839616

Square Root: 136.76256797823007

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

Difference between sum of largest parts and sum of smallest parts of all partitions of n into an even number of parts. A211881

Number of partitions p of n such that max(p)-min(p) = 7. A218570

Number of integer partitions of n whose multiset multiplicity kernel is a submultiset. A367684

a(n) = n*(5n² + 3n + 4) / 6. A203551

Irregular triangle read by rows: T(n,k) (n>=2, 1<=k<=n) gives number of arrangements of the elements from the multiset M(n, 3) into exactly k disjoint cycles. A245183

a(n) = T(2n,n-2), T given by A026648. A26651

Number of 7 X 7 arrays of squares of integers, symmetric about both diagonal and antidiagonal, with all rows summing to n. A156392

Number of n X n arrays of squares of integers, symmetric about both diagonal and antidiagonal, with all rows summing to 25. A156483

Numbers k such that A127417(k) = 1. A305162

Number of 3Xn 0..1 arrays with no 1 equal to more than three of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly one element. A283952