1291 × 1657

Prime Factor Structure

Factorization String 1291 × 1657

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 2,142,136

Proper Divisor Sum 2,949

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #2139167 ← → #2139199

1 1,291 1,657 2,139,187

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

2,139,187 6,417,562 3,208,781 9,626,344 4,813,172 2,406,586 1,203,293 3,609,880 1,804,940 902,470 451,235 1,353,706 676,853 2,030,560 1,015,280 507,640 253,820 126,910 63,455 190,366 95,183 285,550 142,775 428,326 214,163 642,490 321,245 963,736 481,868 240,934 120,467 361,402 180,701 542,104 271,052 135,526 67,763 203,290 101,645 304,936 152,468 76,234 38,117 114,352 57,176 28,588 14,294 7,147 21,442 10,721 32,164 16,082 8,041 24,124 12,062 6,031 18,094 9,047 27,142 13,571

Other feeder batches with open delivery windows. Each feeder keeps its own target batch.