Properties of the Number 9220

Nine Thousand Two Hundred Twenty

Basics

Value: 9219 → 9220 → 9221

Parity: even

Prime: No

Previous Prime: 9209

Next Prime: 9221

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 5 × 461

Divisors: 1, 2, 4, 5, 10, 20, 461, 922, 1844, 2305

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010000000100

Octal: 22004

Duodecimal: 5404

Hexadecimal: 2404

Square: 85008400

Square Root: 96.02083107326243

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

Numbers m such that there are precisely 20 groups of order m. A298911

Numbers k such that the number of digits d in k² is not prime and for each factor f of d the sum of the d/f digit groupings in k² of size f is a square. A153745

a(n) = (n - 1)*(n² + n - 1). A33445

Irregular triangle read by rows: row n gives numbers of maximal chains of lengths n-1, n, n+1, ... in the Tamari lattice T_n. A282698

Numbers that are the sum of ten fourth powers in nine or more ways. A345602

Numbers that are the sum of ten fourth powers in exactly nine ways. A345861

Numbers n that have an equal number of even and odd values of A001221(k) for 1 <= k <= n. A275547

Number of vertices in a square when n internal squares are drawn between the 4n points that divide each side into n+1 equal parts. A357060

Arrange digits of squares in descending order. A28908

Triangle read by rows, the Bell transform of n!*binomial(5,n) (without column 0). A49411