Properties of the Number 50649

Fifty Thousand Six Hundred Forty-Nine

Basics

Value: 50648 → 50649 → 50650

Parity: odd

Prime: No

Previous Prime: 50647

Next Prime: 50651

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 16883

Divisors: 1, 3, 16883, 50649

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1100010111011001

Octal: 142731

Duodecimal: 25389

Hexadecimal: c5d9

Square: 2565321201

Square Root: 225.05332701384356

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 k such that k!!! + 1 is prime (0 is included by convention). A37083

Main diagonal of A332357. A332358

Semiprimes q such that q²-4 and q²+4 are also semiprimes. A173084

Triangle read by rows: T(n,k) = 2·k*T(n-1,n-1) + 1 (n >= 0, 0 <= k <= n), with T(0,0) = 1. A161380

n³*a(n) is the number of circles in complex projective plane tangent to three smooth curves of degree n in general position. A30653

k such that 0 = ∑_j=1..k A373223(k, j). The indices of the rows in Gauss's triangle with vanishing row sums. A373181

a(1) = 1, a(n) is the smallest integer > a(n-1) such that the largest element in the simple continued fraction for S(n) = 1/a(1) + 1/a(2) + ... + 1/a(n) equals n⁴. A70904

a(n+1)³ is next smallest cube ending with a(n)³, initial term is 8. A50649

Number of n X 4 0..2 arrays with every 0 next to a 1 and every 1 next to a 2 horizontally, diagonally or antidiagonally. A232147