Properties of the Number 20214

Twenty Thousand Two Hundred Fourteen

Basics

Value: 20213 → 20214 → 20215

Parity: even

Prime: No

Previous Prime: 20201

Next Prime: 20219

Digit Sum: 9

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 1123

Divisors: 1, 2, 3, 6, 9, 18, 1123, 2246, 3369, 6738

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 100111011110110

Octal: 47366

Duodecimal: B846

Hexadecimal: 4ef6

Square: 408605796

Square Root: 142.17594733287342

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 whose length (number of parts) is equal to the sum of some submultiset. A367212

T(n,k)=Number of nXk 0..2 arrays with diagonals and rows unimodal and antidiagonals nondecreasing. A224310

Numbers n such that [A070080(n), A070081(n), A070082(n)] is an obtuse isosceles integer triangle with prime side lengths. A70135

The 300-degree spoke (or ray) of a hexagonal spiral of Ulam. A244804

Maximum starting value of X such that repeated replacement of X with X-ceiling(X/5) requires n steps to reach 0. A279075

Values of e, the lesser key or generating number for Pythagorean triangles in which S (the odd short leg) and U (the hypotenuse) are twin primes. A51892

a(n) = 729·n - 198. A156772

Irregular triangle read by rows: T(n,k) is the number of flattened Catalan words of length n with exactly k symmetric peaks, with k >= 0. A372883

Generalized Catalan Numbers x³*A(x)² -(1-x+x³+x⁴)*A(x) + 1 =0. A23433

Numbers n such that n+(n+1), n²+(n+1)², n+(n+1)², n²+(n+1) are all prime. A216270