Properties of the Number 50387

Fifty Thousand Three Hundred Eighty-Seven

Basics

Value: 50386 → 50387 → 50388

Parity: odd

Prime: Yes

Previous Prime: 50383

Next Prime: 50411

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 50387

Divisors: 1, 50387

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100010011010011

Octal: 142323

Duodecimal: 251AB

Hexadecimal: c4d3

Square: 2538849769

Square Root: 224.47048803796014

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

Primes from merging of 5 successive digits in decimal expansion of sqrt(2). A198165

Integers k for which {prime(1), prime(2), ..., prime(k)} (mod 4) is biased towards 1. A96628

Least k such that the first k terms of the Kolakoski sequence (A000002) contain n more 2's than 1's. A25503

a(n) = index where A088568 (or equally A294448) first reaches or exceeds n in magnitude. A294449

Number of nonempty subsets of {1,2,...,n} in which exactly 1/2 of the elements are <= (n-4)/2. A48060

a(n) = C(n,7)-1. A124090

Number of nonempty subsets of {1,2,...,n} in which exactly 1/2 of the elements are <= (n+2)/3. A48071

Number of nonempty subsets of {1,2,...,n} in which exactly 1/2 of the elements are <= (n+3)/3. A48082

Van der Waerden numbers W(2,n). A5346

Numbers k such that sin(k) > 0 and sin(k+2) > 0. A277093

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