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Properties of the Number 30888

Thirty Thousand Eight Hundred Eighty-Eight

Basics

Value: 30887 → 30888 → 30889

Parity: even

Prime: No

Previous Prime: 30881

Next Prime: 30893

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 3 × 3 3 × 11 × 13

Divisors: 1, 2, 3, 4, 6, 8, 9, 11, 12, 13

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 111100010101000

Octal: 74250

Duodecimal: 15A60

Hexadecimal: 78a8

Square: 954068544

Square Root: 175.7498221905217

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

Coordination sequence for (2,4,8) tiling of hyperbolic plane. A265063
a(n) = binomial(n+6,6)*(2n+7)/7. A50486
T(n,k) = Number of n X k arrays of the minimum value of corresponding elements and their horizontal, diagonal or antidiagonal neighbors in a random 0..3 n X k array. A220761
a(n) = 6*(2·n+1)! / ((n!)2*(n+3)). A7946
T(n,k)=Number of nXk arrays of the minimum value of corresponding elements and their horizontal and vertical neighbors in a random 0..3 nXk array. A218181
Triangle T(n,k) = binomial(2·n-k, k)*(n-k)!, read by rows. A155856
Numbers with prime factorization p·q*r3*s3 (where p, q, r, s are distinct primes). A190108
Table by antidiagonals giving variants on Catalan sequence: T(n,k)=C(2n,n)*C(2k,k)*(2k+1)/(n+k+1). A78817
a(0) = 1; for n >= 1, a(n) = A059897(n, a(n-1)). A284567
Eighth column of quintinomial coefficients. A64057