Properties of the Number 30806

Thirty Thousand Eight Hundred Six

Basics

Value: 30805 → 30806 → 30807

Parity: even

Prime: No

Previous Prime: 30803

Next Prime: 30809

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 × 73 × 211

Divisors: 1, 2, 73, 146, 211, 422, 15403, 30806

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 111100001010110

Octal: 74126

Duodecimal: 159B2

Hexadecimal: 7856

Square: 949009636

Square Root: 175.51638100188825

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

Sequence is {a(4,n)}, where a(m,n) is defined at sequence A111518. A111522

Even composites in A145832 with at least three distinct prime factors. A145916

Cycle class sequence c(2n) (the number of true cycles of length 2n in which a certain node is included) for zeolite AFX = SAPO-56 [Al23Si5P20O96] starting with a T2 atom. A18970

Number of non-isomorphic directed graphs reachable by n agents using the LNS protocol. A307085

Number of non-isomorphic directed graphs reachable by n agents using the ANY protocol. A318154

Number of length n+4 0..6 arrays with some pair in every consecutive five terms totalling exactly 6. A246890

a(n) = floor(exp(1/24)*n!). A30806