Properties of the Number 30281

Thirty Thousand Two Hundred Eighty-One

Basics

Value: 30280 → 30281 → 30282

Parity: odd

Prime: No

Previous Prime: 30271

Next Prime: 30293

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 107 × 283

Divisors: 1, 107, 283, 30281

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111011001001001

Octal: 73111

Duodecimal: 15635

Hexadecimal: 7649

Square: 916938961

Square Root: 174.01436722293937

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 cyclic subgroups of the group C_n x C_n x C_n x C_n, where C_n is the cyclic group of order n. A280184

a(n) = a(1)*a(n-1) + a(2)*a(n-2) + ... + a(n-5)*a(5) for n >= 6, with a(1)=0 and a(2)=a(3)=a(4)=a(5)=1. A361313

Semiprimes of the form k² + 5. A361696

Numbers n such that n and its reversal are distinct brilliant numbers (A078972). A97435

Number of ways to place zero or more nonadjacent 0,0 1,0 2,1 3,1 4,1 5,2 polyhexes in any orientation on a planar nXnXn triangular grid. A155308

Numbers with at least three digits and with the property that the sum of the cubes of the first and last digit equals the number obtained when the first and last digits are deleted. A275343

COMPOSE natural numbers with primes. A30281

Ménage primes. A249510