2 × 21429917

Prime Factor Structure

Factorization String 2 × 21429917

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 64,289,754

Proper Divisor Sum 21,429,920

Digit Sum / Digital Root 43 (Root: 7)

Adjacent Primes #42859829 ← → #42859837

1 2 21,429,917 42,859,834

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

42,859,834 21,429,917 64,289,752 32,144,876 16,072,438 8,036,219 24,108,658 12,054,329 36,162,988 18,081,494 9,040,747 27,122,242 13,561,121 40,683,364 20,341,682 10,170,841 30,512,524 15,256,262 7,628,131 22,884,394 11,442,197 34,326,592 17,163,296 8,581,648 4,290,824 2,145,412 1,072,706 536,353 1,609,060 804,530 402,265 1,206,796 603,398 301,699 905,098 452,549 1,357,648 678,824 339,412 169,706 84,853 254,560 127,280 63,640 31,820 15,910 7,955 23,866 11,933 35,800 17,900 8,950 4,475 13,426 6,713 20,140 10,070 5,035 15,106 7,553

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