Properties of the Number 30129

Thirty Thousand One Hundred Twenty-Nine

Basics

Value: 30128 → 30129 → 30130

Parity: odd

Prime: No

Previous Prime: 30119

Next Prime: 30133

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 3 × 11 ² × 83

Divisors: 1, 3, 11, 33, 83, 121, 249, 363, 913, 2739

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111010110110001

Octal: 72661

Duodecimal: 15529

Hexadecimal: 75b1

Square: 907756641

Square Root: 173.5770722186545

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

Polycyclic aromatic hydrocarbons (for precise definition see He and He, 1986). A323930

Expansion of e.g.f. of exp(arcsinh(x)/exp(x)). A13572

a(n) = prime(x) - π(x) where·is the least·such that (prime(x+1) - π(x+1)) - (prime(x) - π(x)) = n. A111183

Number of partitions of n in which exactly one odd part is repeated and even parts are unrestricted. A353903

Number of nonisomorphic Steiner triple systems (STS's) S(2,3,n) on n points. A30129