Properties of the Number 30222

Thirty Thousand Two Hundred Twenty-Two

Basics

Value: 30221 → 30222 → 30223

Parity: even

Prime: No

Previous Prime: 30211

Next Prime: 30223

Digit Sum: 9

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 23 × 73

Divisors: 1, 2, 3, 6, 9, 18, 23, 46, 69, 73

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111011000001110

Octal: 73016

Duodecimal: 155A6

Hexadecimal: 760e

Square: 913369284

Square Root: 173.84475833340503

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

a(n) = T(n,n-4), array T as in A055818. A55821

Difference between the sum of next prime(n) natural numbers and the sum of next n primes. A82749

Number of finite sets of positive integers whose right half (exclusive) sums to n. A360954

Number of days after Mar 01 00 such that the date written in the format DD.MM.YY is palindromic. A210887

"DHK" (bracelet, identity, unlabeled) transform of 0,1,1,1,... A32244

Sequence A014486 shown in base 4. A85185

Numbers k such that σ(φ(k)) - φ(k) = φ(σ(k)), where φ(k) is the Euler totient function of k and σ(k) is the sum of the divisors of k. A271633

Number of n-polyplets (polyominoes connected at edges or corners); may contain holes. A30222