Properties of the Number 30086

Thirty Thousand Eighty-Six

Basics

Value: 30085 → 30086 → 30087

Parity: even

Prime: No

Previous Prime: 30071

Next Prime: 30089

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 × 7 ² × 307

Divisors: 1, 2, 7, 14, 49, 98, 307, 614, 2149, 4298

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111010110000110

Octal: 72606

Duodecimal: 154B2

Hexadecimal: 7586

Square: 905167396

Square Root: 173.45316370709415

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 planar simply-connected polyhexes (or benzenoid hydrocarbons) with n hexagons. A18190

Number of internal nodes of even outdegree in all ordered rooted trees with n edges. A14301

Expansion of 1/((1+x)*(1-x)¹¹). A1786

Number of integer partitions of n whose multiplicities appear with distinct multiplicities. A325329

Index of first occurrence of n-th prime in A001203, the continued fraction for π. A107892

A tree-node counting triangle. A109244

a(n) = T(n, n+3), T given by A027052. A27054

Starting positions of strings of three 8's in the decimal expansion of π. A83637

Maximum fixed points under iteration of sum of cubes of digits in base n. A226026

Number of 4 X n 0..1 arrays with rows unimodal and columns nondecreasing. A225011