Properties of the Number 18010

Eighteen Thousand Ten

Basics

Value: 18009 → 18010 → 18011

Parity: even

Prime: No

Previous Prime: 17989

Next Prime: 18013

Digit Sum: 10

Digital Root: 1

Palindrome: No

Factorization: 2 × 5 × 1801

Divisors: 1, 2, 5, 10, 1801, 3602, 9005, 18010

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 100011001011010

Octal: 43132

Duodecimal: A50A

Hexadecimal: 465a

Square: 324360100

Square Root: 134.2013412749664

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

Octahedral numbers: a(n) = n*(2·n² + 1)/3. A5900

Number of integer partitions of n such that, for all parts·of multiplicity 1, either x - 1 or x + 1 is also a part. A355393

Numbers k such that the coefficient of x^k in the expansion of ∏_j>=1 (1 - x^j)⁵ is zero. A302057

a(n) = Least i in range [A165598(n),A165598(n+1)] for which abs(A165597(i)) gets the maximum value in that range. A165599

Decimal representation of the diagonal from the corner to the origin of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 150", based on the 5-celled von Neumann neighborhood. A286088

Numbers k such that A006577(k²) sets a new record. A346592

Partial sums of the even triangular numbers (A014494). A352115

Number of 7 X n arrays of the minimum value of corresponding elements and their horizontal or diagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..1 7 X n array. A220037

Number of conjugacy classes of the symmetric group S_n when conjugating only by even permutations. A242101

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