Properties of the Number 18468

Eighteen Thousand Four Hundred Sixty-Eight

Basics

Value: 18467 → 18468 → 18469

Parity: even

Prime: No

Previous Prime: 18461

Next Prime: 18481

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 ² × 3 ⁵ × 19

Divisors: 1, 2, 3, 4, 6, 9, 12, 18, 19, 27

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 100100000100100

Octal: 44044

Duodecimal: A830

Hexadecimal: 4824

Square: 341067024

Square Root: 135.8970198348735

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 polyominoes with n cells that have the symmetry group D₈. A142886

Heinz numbers of integer partitions with as many even parts as odd conjugate parts and as many odd parts as even conjugate parts. A351980

Paradigm shift sequence for (4,5) production scheme with replacement. A246099

Number of 2 X 2 planar subsets in an n X n X n cube. A270205

T(n,k)=Number of (n+1)X(k+1) 0..2 arrays colored with the upper median value of each 2X2 subblock. A235954

Numbers p⁵*q²*r where p, q, r are 3 distinct primes. A179691

T(n,k)=Number of nXk 0..6 arrays x(i,j) with each element horizontally or antidiagonally next to at least one element with value (x(i,j)+1) mod 7, and upper left element zero. A230686

Number of integer partitions of n with fewer distinct parts than distinct divisors of parts. A371132

First differences (A131771) equal this sequence with terms repeated at positions: {m*(m+1)/2, m>=0}. A131770

First differences (A131772) equal this sequence with zeros inserted at positions {m*(m+1)/2, m>=0}. A131771