Properties of the Number 20226

Twenty Thousand Two Hundred Twenty-Six

Basics

Value: 20225 → 20226 → 20227

Parity: even

Prime: No

Previous Prime: 20219

Next Prime: 20231

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 3371

Divisors: 1, 2, 3, 6, 3371, 6742, 10113, 20226

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 100111100000010

Octal: 47402

Duodecimal: B856

Hexadecimal: 4f02

Square: 409091076

Square Root: 142.2181423025909

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 partitions of n having no parts with multiplicity 4. A184639

T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 1, 3, 4, 5 or 7 king-move adjacent elements, with upper left element zero. A299128

a(n) = minimal value of n+k (with k >= 1) such that the concatenation of the decimal digits of n,n+1,...,n+k is divisible by n+k+1, or -1 if no such n+k exists. A332584

E.g.f. satisfies A(x) = (1 + x)² * exp(x·A(x)). A377827

Denominators of continued fraction convergents to sqrt(181). A41335

Triangle of coefficients of polynomials v(n,x) jointly generated with A209417; see the Formula section. A209418

Number of ordered triples (w,x,y) with all terms in {1,...,n} and 2w³>x³+y³. A211811

Convolution of the prime numbers with φ(n). A86734

Numbers n such that n/6 and prime(n)+/-n are all primes. A105550

Number of nX5 0..1 arrays with every repeated value in every row and column greater than the previous repeated value. A267716