2 × 3² × 35731

Prime Factor Structure

Factorization String 2 × 3^2 × 35731

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 1,393,548

Proper Divisor Sum 750,390

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #643129 ← → #643183

1 2 3 6 9 18 35,731 71,462 107,193 214,386 321,579 643,158

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

643,158 321,579 964,738 482,369 1,447,108 723,554 361,777 1,085,332 542,666 271,333 814,000 407,000 203,500 101,750 50,875 152,626 76,313 228,940 114,470 57,235 171,706 85,853 257,560 128,780 64,390 32,195 96,586 48,293 144,880 72,440 36,220 18,110 9,055 27,166 13,583 40,750 20,375 61,126 30,563 91,690 45,845 137,536 68,768 34,384 17,192 8,596 4,298 2,149 6,448 3,224 1,612 806 403 1,210 605 1,816 908 454 227 682

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