2² × 5 × 21839

Prime Factor Structure

Factorization String 2^2 × 5 × 21839

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 917,280

Proper Divisor Sum 480,500

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #436757 ← → #436801

1 2 4 5 10 20 21,839 43,678 87,356 109,195 218,390 436,780

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

436,780 218,390 109,195 327,586 163,793 491,380 245,690 122,845 368,536 184,268 92,134 46,067 138,202 69,101 207,304 103,652 51,826 25,913 77,740 38,870 19,435 58,306 29,153 87,460 43,730 21,865 65,596 32,798 16,399 49,198 24,599 73,798 36,899 110,698 55,349 166,048 83,024 41,512 20,756 10,378 5,189 15,568 7,784 3,892 1,946 973 2,920 1,460 730 365 1,096 548 274 137 412 206 103 310 155 466

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