Properties of the Number 50428

Fifty Thousand Four Hundred Twenty-Eight

Basics

Value: 50427 → 50428 → 50429

Parity: even

Prime: No

Previous Prime: 50423

Next Prime: 50441

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 ² × 7 × 1801

Divisors: 1, 2, 4, 7, 14, 28, 1801, 3602, 7204, 12607

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1100010011111100

Octal: 142374

Duodecimal: 25224

Hexadecimal: c4fc

Square: 2542983184

Square Root: 224.56179550404383

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

Values of n for which pi_4,3(p_n) - pi_4,1(p_n) = -1, where p_n is the n-th prime and pi_m,a(x) is the number of primes <= x which are congruent to a (mod m). A51024

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

Numbers k such that k | 12^k + 12. A15904

a(n) = n*(7·n² - 3·n - 1)/3. A214659

Number of Motzkin paths of length n with all ascents ending at odd heights. A299271

Numbers k such that sopfr(k-1) = sopfr(k+1), where sopfr = A001414. A392974

Long legs of Pythagorean triangles. A9023

Numbers for which in base 2 the least number of digits that can be removed to leave a base 2 palindromic number (beginning with 1) is 4. A50428

Number of ways to place 2 nonattacking nightriders on an n X n cylindrical board. A196810