Properties of the Number 49805

Forty-Nine Thousand Eight Hundred Five

Basics

Value: 49804 → 49805 → 49806

Parity: odd

Prime: No

Previous Prime: 49801

Next Prime: 49807

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 5 × 7 × 1423

Divisors: 1, 5, 7, 35, 1423, 7115, 9961, 49805

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100001010001101

Octal: 141215

Duodecimal: 249A5

Hexadecimal: c28d

Square: 2480538025

Square Root: 223.17033853090783

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 (n+2) X 5 0..2 arrays with every 3 X 3 subblock commuting with each horizontal and vertical neighbor 3 X 3 subblock. A186562

Triangular array T read by rows: T(n,k) is the number of Farey fractions of order n that are <= 1/k for k=1..n, for n>=1. A49805

T(n,k)=Number of (n+2)X(k+2) 0..2 arrays with every 3X3 subblock commuting with each horizontal and vertical neighbor 3X3 subblock. A186568