Properties of the Number 50439

Fifty Thousand Four Hundred Thirty-Nine

Basics

Value: 50438 → 50439 → 50440

Parity: odd

Prime: No

Previous Prime: 50423

Next Prime: 50441

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 17 × 23 × 43

Divisors: 1, 3, 17, 23, 43, 51, 69, 129, 391, 731

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1100010100000111

Octal: 142407

Duodecimal: 25233

Hexadecimal: c507

Square: 2544092721

Square Root: 224.58628631330097

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

Indices of primes at which the prime race 4k-1 vs. 4k+1 is tied. A38691

Numbers k such that k divides 1 + ∑_j=1..k prime(j)⁵ = 1 + A122103(k). A128169

a(n) = T(2n,n), array T as in A038738. A38744

Numbers k such that ω(k) = 4 and the largest prime factor of k equals the sum of its remaining distinct prime factors, where ω(k) = A001221(k). A383728

Sum along upward diagonal of Pascal triangle to halfway point. A10754

a(n) = 7 + floor(∑_j=1..n-1 a(j) / 2). A120136

T(n,n-6), array T as in A038792. A38796

Numbers n such that (i) the sum of the distinct primes dividing n is divisible by the largest prime dividing n and (ii) n has exactly 4 distinct prime factors and (iii) n is squarefree. A71143

T(n,n-6), array T as in A038738. A38743

Fifth-order composites. A50439