Properties of the Number 49649

Forty-Nine Thousand Six Hundred Forty-Nine

Basics

Value: 49648 → 49649 → 49650

Parity: odd

Prime: No

Previous Prime: 49639

Next Prime: 49663

Digit Sum: 32

Digital Root: 5

Palindrome: No

Factorization: 131 × 379

Divisors: 1, 131, 379, 49649

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1100000111110001

Octal: 140761

Duodecimal: 24895

Hexadecimal: c1f1

Square: 2465023201

Square Root: 222.82055560472872

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) = 2·a(n-1) - 3·a(n-2) + 2·a(n-3) with a(0) = 1, a(1) = 5, a(2) = 6. A105577

a(n) = a(n-1)*a(n-2) - a(n-3) with a(1) = 1, a(2) = 2, and a(3) = 3. A74394

Brilliant numbers k such that 2k+1 is also brilliant. A85649

Number of 2Xn 0..3 arrays with no element equal to zero plus the sum of elements to its left or zero plus the sum of the elements above it or zero plus the sum of the elements diagonally to its northwest or one plus the sum of the elements antidiagonally to its northeast, modulo 4. A240047

Semiprimes with only semiprime digits, each appearing at least once. A349275

T(n,n+3), array T given by A049639. A49649