Properties of the Number 50420

Fifty Thousand Four Hundred Twenty

Basics

Value: 50419 → 50420 → 50421

Parity: even

Prime: No

Previous Prime: 50417

Next Prime: 50423

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 2 ² × 5 × 2521

Divisors: 1, 2, 4, 5, 10, 20, 2521, 5042, 10084, 12605

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1100010011110100

Octal: 142364

Duodecimal: 25218

Hexadecimal: c4f4

Square: 2542176400

Square Root: 224.54398232862977

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

Expansion of ∏_k>=1 (1 + 4·x^k). A261568

Numbers of the form i·7^j-1 (i=1..6, j >= 0). A181303

a(n) = 3·7ⁿ-1. A198647

a(n) = n * (6·n² + 6·n + 1). A94421

Numbers k such that k⁶ == 1 (mod 7⁵). A56103

a(n) is the smallest integer k such that floor((3/2)^k)/floor((3/2)ⁿ) is an integer greater than 1. A65644

a(n) is the largest number such that all of a(n)'s length-n substrings are distinct and divisible by 42. A93242

Numbers for which in base 2 the least number of digits that can be removed to leave a palindrome (possibly beginning with 0) is 1. A50420