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Properties of the Number 18022

Eighteen Thousand Twenty-Two

Basics

Value: 18021 → 18022 → 18023

Parity: even

Prime: No

Previous Prime: 18013

Next Prime: 18041

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 × 9011

Divisors: 1, 2, 9011, 18022

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 100011001100110

Octal: 43146

Duodecimal: A51A

Hexadecimal: 4666

Square: 324792484

Square Root: 134.24604277221732

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 integer partitions of n with integer alternating product. A347446
Numbers n such that p(6n) is prime, where p(n) is the number of partitions of n. A111036
Number of partitions of n having 1 more even part than odd, so that there is an ordering of parts for which the even and odd parts alternate and the first and last terms are even. A239832
T(n,k)=Number of nXk 0..3 arrays with no element equal to two plus the sum of elements to its left or two plus the sum of the elements above it or zero plus the sum of the elements diagonally to its northwest, modulo 4. A240321
Molien series for invariants of finite Coxeter group A9. A266778
Number of partitions of n, where the difference between the number of odd parts and the number of even parts is 1. A240010
Antidiagonal sums of the square array A096583, in which the n-th diagonal equals the convolution of the n-th row with the antidiagonal sums (this sequence). A96584
Coordination sequence for MgNi2, Position Ni2. A9932
Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 72 ones. A31840
Number of n X 2 0..3 arrays with no element equal to two plus the sum of elements to its left or two plus the sum of elements above it or zero plus the sum of the elements diagonally to its northwest, modulo 4. A240316