1,998,217

13 × 23 × 41 × 163

Prime Factor Structure

Factorization String 13 × 23 × 41 × 163

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 16

Divisor Sum (σ) 2,314,368

Proper Divisor Sum 316,151

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #1998209 ← → #1998221

1 13 23 41 163 299 533 943 2,119 3,749 6,683 12,259 48,737 86,879 153,709 1,998,217

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

1,998,217 5,994,652 2,997,326 1,498,663 4,495,990 2,247,995 6,743,986 3,371,993 10,115,980 5,057,990 2,528,995 7,586,986 3,793,493 11,380,480 5,690,240 2,845,120 1,422,560 711,280 355,640 177,820 88,910 44,455 133,366 66,683 200,050 100,025 300,076 150,038 75,019 225,058 112,529 337,588 168,794 84,397 253,192 126,596 63,298 31,649 94,948 47,474 23,737 71,212 35,606 17,803 53,410 26,705 80,116 40,058 20,029 60,088 30,044 15,022 7,511 22,534 11,267 33,802 16,901 50,704 25,352 12,676

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