Properties of the Number 30285

Thirty Thousand Two Hundred Eighty-Five

Basics

Value: 30284 → 30285 → 30286

Parity: odd

Prime: No

Previous Prime: 30271

Next Prime: 30293

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 5 × 673

Divisors: 1, 3, 5, 9, 15, 45, 673, 2019, 3365, 6057

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111011001001101

Octal: 73115

Duodecimal: 15639

Hexadecimal: 764d

Square: 917181225

Square Root: 174.0258601472781

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) = A343046(n, n). A343047

Row sums of triangle A175009. A175006

a(n) is the smallest positive integer which can be represented as the sum of distinct nonzero icosahedral numbers in exactly n ways, or -1 if no such integer exists. A360215

Number of terms in polynomial sequence s(n) = x·y*z*(s(n-1)*s(n-3) + s(n-2)²)/s(n-4), with s(1) = x, s(2) = s(3) = 1, s(4) = y. A338218

Palindromes whose digits do not appear in previous term. A30285