Properties of the Number 30887

Thirty Thousand Eight Hundred Eighty-Seven

Basics

Value: 30886 → 30887 → 30888

Parity: odd

Prime: No

Previous Prime: 30881

Next Prime: 30893

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 67 × 461

Divisors: 1, 67, 461, 30887

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 111100010100111

Octal: 74247

Duodecimal: 15A5B

Hexadecimal: 78a7

Square: 954006769

Square Root: 175.74697721440333

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 integer partitions of n with some part that can be written as a nonnegative linear combination of the other distinct parts. A365068

Numbers k such that 6·p(k)*p(k+1)*p(k+2)*p(k+3)*p(k+4)*p(k+5)*p(k+6)-1 and 6·p(k)*p(k+1)*p(k+2)*p(k+3)*p(k+4)*p(k+5)*p(k+6)+1 are twin primes with p(h) = h-th prime. A129313

The number of partitions of n in which at least one part is a multiple of 4. A295342

Numbers k such that sum of proper divisors or aliquot parts of k² (excluding 1) is a square, or A048050(k²) is a square. A63900

Numbers n such that σ (φ ( n ) ) = σ (σ (n ) ) where φ is Euler's totient and σ is the multiplicative sum-of-divisors function. A65556

Number of partitions of n with equal number of parts congruent to each of 2 and 3 (mod 4). A35545

[ exp(13/17)*n! ]. A30887

The number of permutations of length n that can be sorted by 4 pop stacks in parallel. A164872