2 × 5 × 7 × 13 × 17 × 1381

Prime Factor Structure

Factorization String 2 × 5 × 7 × 13 × 17 × 1381

Distinct Prime Factors 6

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 64

Divisor Sum (σ) 50,150,016

Proper Divisor Sum 28,785,946

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #21364061 ← → #21364073

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

21,364,070 10,682,035 32,046,106 16,023,053 48,069,160 24,034,580 12,017,290 6,008,645 18,025,936 9,012,968 4,506,484 2,253,242 1,126,621 3,379,864 1,689,932 844,966 422,483 1,267,450 633,725 1,901,176 950,588 475,294 237,647 712,942 356,471 1,069,414 534,707 1,604,122 802,061 2,406,184 1,203,092 601,546 300,773 902,320 451,160 225,580 112,790 56,395 169,186 84,593 253,780 126,890 63,445 190,336 95,168 47,584 23,792 11,896 5,948 2,974 1,487 4,462 2,231 6,694 3,347 10,042 5,021 15,064 7,532 3,766

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