Properties of the Number 30799

Thirty Thousand Seven Hundred Ninety-Nine

Basics

Value: 30798 → 30799 → 30800

Parity: odd

Prime: No

Previous Prime: 30781

Next Prime: 30803

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 19 × 1621

Divisors: 1, 19, 1621, 30799

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111100001001111

Octal: 74117

Duodecimal: 159A7

Hexadecimal: 784f

Square: 948578401

Square Root: 175.49643871030545

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 unrooted steric quartic trees with n (unlabeled) nodes and possessing a centroid; number of n carbon alkanes C(n)H(2n +2) with a centroid when stereoisomers are regarded as different. A86194

Number of -n..n arrays x(0..3) of 4 elements with zero sum, and adjacent elements not both strictly positive and not both strictly negative. A199899

a(1)=0, a(n) = n³ - a(n-1). A153026

Number of (w,x,y) with all terms in {0,...,n} and x ≠ max(|w-x|,|x-y|). A213496

Number of aperiodic necklaces (Lyndon words) with k<=5 black beads and n-k white beads. A277629

Expansion of tanh(x)/cos(sin(x)). A9840

Numbers n such that 49·2ⁿ-1 is prime. A50550

Number of partitions of the vertices of the n X 3 grid graph into dominating sets. A391827

a(n) = floor(exp(1/2)*n!). A30799