3 × 13 × 19 × 991

Prime Factor Structure

Factorization String 3 × 13 × 19 × 991

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,111,040

Proper Divisor Sum 376,709

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #734329 ← → #734347

1 3 13 19 39 57 247 741 991 2,973 12,883 18,829 38,649 56,487 244,777 734,331

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

734,331 2,202,994 1,101,497 3,304,492 1,652,246 826,123 2,478,370 1,239,185 3,717,556 1,858,778 929,389 2,788,168 1,394,084 697,042 348,521 1,045,564 522,782 261,391 784,174 392,087 1,176,262 588,131 1,764,394 882,197 2,646,592 1,323,296 661,648 330,824 165,412 82,706 41,353 124,060 62,030 31,015 93,046 46,523 139,570 69,785 209,356 104,678 52,339 157,018 78,509 235,528 117,764 58,882 29,441 88,324 44,162 22,081 66,244 33,122 16,561 49,684 24,842 12,421 37,264 18,632 9,316 4,658

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