3 × 7 × 13 × 25541

Prime Factor Structure

Factorization String 3 × 7 × 13 × 25541

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 11,442,816

Proper Divisor Sum 4,470,123

Digit Sum / Digital Root 42 (Root: 6)

Adjacent Primes #6972689 ← → #6972709

1 3 7 13 21 39 91 273 25,541 76,623 178,787 332,033 536,361 996,099 2,324,231 6,972,693

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

6,972,693 20,918,080 10,459,040 5,229,520 2,614,760 1,307,380 653,690 326,845 980,536 490,268 245,134 122,567 367,702 183,851 551,554 275,777 827,332 413,666 206,833 620,500 310,250 155,125 465,376 232,688 116,344 58,172 29,086 14,543 43,630 21,815 65,446 32,723 98,170 49,085 147,256 73,628 36,814 18,407 55,222 27,611 82,834 41,417 124,252 62,126 31,063 93,190 46,595 139,786 69,893 209,680 104,840 52,420 26,210 13,105 39,316 19,658 9,829 29,488 14,744 7,372

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