Properties of the Number 18098

Eighteen Thousand Ninety-Eight

Basics

Value: 18097 → 18098 → 18099

Parity: even

Prime: No

Previous Prime: 18097

Next Prime: 18119

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 × 9049

Divisors: 1, 2, 9049, 18098

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 100011010110010

Octal: 43262

Duodecimal: A582

Hexadecimal: 46b2

Square: 327537604

Square Root: 134.52880732393342

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

T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with every 3X3 subblock sum of the two maximums of the diagonal and antidiagonal minus the sum of the minimums of the central row and column nondecreasing horizontally and vertically. A254306

a(n) is the number of canonical polygons with 4n edges containing only right angles. A307391

a(n) = 2·n⁵ - floor(2^1/5*n)⁵. A257855

Number of nondecreasing arrangements of n+2 numbers in 0..3 with each number being the sum mod 4 of two others. A183906

Number of (n+2)X(n+2) 0..1 arrays with every 3X3 subblock sum of the two maximums of the diagonal and antidiagonal minus the sum of the minimums of the central row and column nondecreasing horizontally and vertically. A254299

Number of (n+2)X(2+2) 0..1 arrays with every 3X3 subblock sum of the two maximums of the diagonal and antidiagonal minus the sum of the minimums of the central row and column nondecreasing horizontally and vertically. A254300

Number of (n+2)X(5+2) 0..1 arrays with every 3X3 subblock sum of the two sums of the diagonal and antidiagonal minus the two minimums of the central column and central row nondecreasing horizontally, vertically and ne-to-sw antidiagonally. A254904

a(n) is the n-th nonnegative number to light exactly n segments when displayed on a calculator. A339700

Number of n X n binary arrays symmetric under horizontal and vertical reflection with all ones connected only in a 11000-01111-11000 pattern in any orientation. A147454

Number of permutations of 1..n containing the relative rank sequence { 164532 } at any spacing. A159138