Properties of the Number 50409

Fifty Thousand Four Hundred Nine

Basics

Value: 50408 → 50409 → 50410

Parity: odd

Prime: No

Previous Prime: 50387

Next Prime: 50411

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ³ × 1867

Divisors: 1, 3, 9, 27, 1867, 5601, 16803, 50409

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100010011101001

Octal: 142351

Duodecimal: 25209

Hexadecimal: c4e9

Square: 2541067281

Square Root: 224.51948690481188

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

Number of ordered triples (w,x,y) with all terms in {1,...,n} and w²+x²+y²>=2n. A211645

a(n) = -a(n-1) - a(n-2) + 2·a(n-3) with a(0)=3, a(1)=-1, a(2)=-1. A331890

Truncated square pyramid numbers: a(n) = ∑_{k = n..2·n} k². A50409