Properties of the Number 49661

Forty-Nine Thousand Six Hundred Sixty-One

Basics

Value: 49660 → 49661 → 49662

Parity: odd

Prime: No

Previous Prime: 49639

Next Prime: 49663

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 53 × 937

Divisors: 1, 53, 937, 49661

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100000111111101

Octal: 140775

Duodecimal: 248A5

Hexadecimal: c1fd

Square: 2466214921

Square Root: 222.84748147555987

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

a(n) = a(n-1) + 4·a(n-2), a(0) = a(1) = 1. A6131

a(n) = (2·n+1)*(4·n²+4·n+3)/3. A57813

Strong pseudoprimes to base 6. A20232

A partial product representation of A006131 and A072265. A72270

Positive numbers y such that y² is of the form x²+(x+191)² with integer x. A161487

Numbers k such that k and k² use only the digits 1, 2, 4, 6 and 9. A136995

Expansion of 1/(1-x·sqrt(1+4·x²)). A190864

a(n) = (Fibonacci(6·n+1) - 1)/4. A49661

Number of length 4+6 0..n arrays with no seven consecutive terms having the maximum of any two terms equal to the minimum of the remaining five terms. A250064