Properties of the Number 20199

Twenty Thousand One Hundred Ninety-Nine

Basics

Value: 20198 → 20199 → 20200

Parity: odd

Prime: No

Previous Prime: 20183

Next Prime: 20201

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 6733

Divisors: 1, 3, 6733, 20199

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100111011100111

Octal: 47347

Duodecimal: B833

Hexadecimal: 4ee7

Square: 407999601

Square Root: 142.12318600425476

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

Numbers that are the sum of 6 positive 9th powers. A3395

Numbers that are the sum of 9 nonzero 8th powers. A3387

Expansion of (1/x) * Series_Reversion( x * (1-x)³ / C(x) ), where C(x) is the g.f. of A000108. A381880

Total sum of 9th powers of parts in all partitions of n. A229331

Total sum of n-th powers of parts in all partitions of 3. A229354

8-digit numbers (padded with leading zeros where necessary) in which the sum of the number consisting of the first four digits and the number consisting of the last four digits equals the number consisting of the middle four digits. A293686

Number of inversion sequences of length n avoiding the consecutive pattern 010. A328504

Expansion of ∏_{i>=1, j>=1} 1/(1 - i·x^i·j). A332199

Triangular array T(n,k) read by rows, satisfies A377441(n, k+2) = ∑_m=0..k T(k, m)*n^m. A377443

Numbers that are the sum of at most 6 positive 9th powers. A4890