Properties of the Number 18214

Eighteen Thousand Two Hundred Fourteen

Basics

Value: 18213 → 18214 → 18215

Parity: even

Prime: No

Previous Prime: 18211

Next Prime: 18217

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 × 7 × 1301

Divisors: 1, 2, 7, 14, 1301, 2602, 9107, 18214

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 100011100100110

Octal: 43446

Duodecimal: A65A

Hexadecimal: 4726

Square: 331749796

Square Root: 134.95925310996648

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

The 360 degree spoke (or ray) of a hexagonal spiral of Ulam. A244803

Triangle, read by rows, that transforms diagonals in the table of coefficients in the successive iterations of the g.f. (A233531) such that column 0 consists of all zeros after row 1. A233530

Structured disdyakis dodecahedral numbers (vertex structure 5). A100163

Numbers for which the cube of the sum of the digits is equal to the square of the product of their digits. A241846

G.f. A(x) satisfies: 2 = ∏_n>=1 (1 + xⁿ*A(x)) * (1 + x^n-1/A(x)). A356508

Interprimes which are of the form s·prime, s=14. A75289

Row sums of array A097306. A97307

Number of length 7 1..(n+2) arrays with no leading or trailing partial sum equal to a prime and no consecutive values equal. A254224

Number of permutations of 1..n containing the relative rank sequence { 245163 } at any spacing. A159155

Number of length n 1..(7+2) arrays with no leading or trailing partial sum equal to a prime and no consecutive values equal. A254217