Properties of the Number 20322

Twenty Thousand Three Hundred Twenty-Two

Basics

Value: 20321 → 20322 → 20323

Parity: even

Prime: No

Previous Prime: 20297

Next Prime: 20323

Digit Sum: 9

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 1129

Divisors: 1, 2, 3, 6, 9, 18, 1129, 2258, 3387, 6774

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 100111101100010

Octal: 47542

Duodecimal: B916

Hexadecimal: 4f62

Square: 412983684

Square Root: 142.55525244620065

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 that have an even number of parts and cannot be partitioned into distinct pairs of not necessarily distinct parts. A338915

G.f.: A(x) = ∑_n=-oo..+oo (x - xⁿ)ⁿ. A290003

Smallest number with persistence n for the sort-and-subtract-sequence. A65641

The indices of cubes (of primes) in the 3-almost primes. A128302

Triangle read by rows: T(n,k) is the k-th generalized Eulerian number of order n and degree 3, n >= 1. A211233

Sum over all partitions of n into distinct parts of the bitwise OR of the parts. A306924

p-INVERT of the positive integers, where p(S) = 1 - 2·S². A290904

Triangle read by rows: T(n,k) is the number of ordered pairs of n-permutations with exactly k common double descents, n>=0, 0<=k<=max{0,n-2}. A334257

G.f. A(x) satisfies: 1/(1-x) = ∏_n>=1 A( xⁿ - xⁿ⁺¹ ). A268648

Positive even numbers which are neither of the form p + 2^m + 1 nor of the form p + 2^m - 1 with p prime. A270446