Properties of the Number 18258

Eighteen Thousand Two Hundred Fifty-Eight

Basics

Value: 18257 → 18258 → 18259

Parity: even

Prime: No

Previous Prime: 18257

Next Prime: 18269

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 17 × 179

Divisors: 1, 2, 3, 6, 17, 34, 51, 102, 179, 358

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 100011101010010

Octal: 43522

Duodecimal: A696

Hexadecimal: 4752

Square: 333354564

Square Root: 135.12216694532395

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

"AFK" (ordered, size, unlabeled) transform of 2,2,2,2,... A32005

Numbers whose square starts with 4 identical digits. A132391

Iterations at which Langton's Ant living on triangular tiling reaches the distance of n from the origin for the first time. A275303

a(n) = 961·n - 1. A158412

Records in A096335 (values). A221181

Numbers whose square starts with exactly 4 identical digits. A346940

Numbers k such that k·prime(k)-2 is a perfect square. A106042

Number of (n+1)X7 0..3 arrays with every 2X2 subblock having nonzero determinant and commuting with every horizontal or vertical neighbor. A206341

Number of (n+1)X8 0..3 arrays with every 2X2 subblock having nonzero determinant and commuting with every horizontal or vertical neighbor. A206342

Number of 4-connected 4-regular polyhedra with n nodes. A7023