Properties of the Number 9309

Nine Thousand Three Hundred Nine

Basics

Value: 9308 → 9309 → 9310

Parity: odd

Prime: No

Previous Prime: 9293

Next Prime: 9311

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 29 × 107

Divisors: 1, 3, 29, 87, 107, 321, 3103, 9309

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010001011101

Octal: 22135

Duodecimal: 5479

Hexadecimal: 245d

Square: 86657481

Square Root: 96.48315915225828

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 such that there is exactly one part which occurs twice, while all other parts occur only once. A90858

Number of regions in regular n-gon which are quadrilaterals (4-gons) when all its diagonals are drawn. A67151

a(n) = s(1)*t(n) + s(2)*t(n-1) + ... + s(k)*t(n+1-k), where k = floor((n+1)/2), s = (natural numbers >= 3), t = A023532. A24314

A185128(n) is the a(n)-th triangular number. A185223

Number of closed knight's tours in the first 2n cells of a 5 X ceiling(2n/5) board. A383661

Number of closed knight's tours in the first 2n cells of a 7 X ceiling(2n/7) board. A383663

Partial sums of A080670. A287881

Start from the singleton set S = {n}, and unless 1 is already a member of S, generate on each iteration a new set where each odd number k is replaced by 3k+1, and each even number k is replaced by 3k+1 and k/2. a(n) is the size of the set after the first iteration which has produced 1 as a member. A290100

Number of generalized polyforms with n cells on the snub trihexagonal tiling. A383908

Digitally balanced numbers in both bases 2 and 3. A49361