Properties of the Number 18727

Eighteen Thousand Seven Hundred Twenty-Seven

Basics

Value: 18726 → 18727 → 18728

Parity: odd

Prime: No

Previous Prime: 18719

Next Prime: 18731

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 61 × 307

Divisors: 1, 61, 307, 18727

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 100100100100111

Octal: 44447

Duodecimal: AA07

Hexadecimal: 4927

Square: 350700529

Square Root: 136.84662947986698

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

Number of self-avoiding planar walks of length n starting at (0,0), ending on the x-axis, remaining in the first quadrant and using steps (0,1), (1,0), (1,1), (-1,1), and (1,-1) with the restriction that (0,1) is never used below the diagonal and (1,0) is never used above the diagonal. A284415

Graham-Sloane-type lower bound on the size of a ternary (n,3,5) constant-weight code. A30505

Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 19 ones. A31787

Numbers having four 4's in base 8. A43440

Divisors of 930. A18727