Properties of the Number 49806

Forty-Nine Thousand Eight Hundred Six

Basics

Value: 49805 → 49806 → 49807

Parity: even

Prime: No

Previous Prime: 49801

Next Prime: 49807

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 2767

Divisors: 1, 2, 3, 6, 9, 18, 2767, 5534, 8301, 16602

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100001010001110

Octal: 141216

Duodecimal: 249A6

Hexadecimal: c28e

Square: 2480637636

Square Root: 223.17257896076748

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

Square array A(n,k) read by descending antidiagonals where A(n,k) is the k-th solution·to A328248(x) = n-1. A328250

Triangle read by rows: T(n,k) is the number of embeddings on the sphere of connected simple planar graphs with n nodes and k faces up to orientation preserving isomorphisms, n >= 1, k=1..max(1,2·n-4). A384964

a(n) = (2·n³ + 5·n² - 5·n)/2. A162265

Number of partitions of 3n into at most 5 parts. A256525

Numbers k such that 3·R_k + 40 is prime, where R_k = 11...1 is the repunit (A002275) of length k. A256606

Number of Farey fractions of order n that are <=1/2; cf. A049805. A49806