7 × 11 × 31 × 131

Prime Factor Structure

Factorization String 7 × 11 × 31 × 131

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 405,504

Proper Divisor Sum 92,807

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #312679 ← → #312701

1 7 11 31 77 131 217 341 917 1,441 2,387 4,061 10,087 28,427 44,671 312,697

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

312,697 938,092 469,046 234,523 703,570 351,785 1,055,356 527,678 263,839 791,518 395,759 1,187,278 593,639 1,780,918 890,459 2,671,378 1,335,689 4,007,068 2,003,534 1,001,767 3,005,302 1,502,651 4,507,954 2,253,977 6,761,932 3,380,966 1,690,483 5,071,450 2,535,725 7,607,176 3,803,588 1,901,794 950,897 2,852,692 1,426,346 713,173 2,139,520 1,069,760 534,880 267,440 133,720 66,860 33,430 16,715 50,146 25,073 75,220 37,610 18,805 56,416 28,208 14,104 7,052 3,526 1,763 5,290 2,645 7,936 3,968 1,984

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