7 × 19 × 71 × 401

Prime Factor Structure

Factorization String 7 × 19 × 71 × 401

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 4,631,040

Proper Divisor Sum 844,397

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #3786641 ← → #3786647

1 7 19 71 133 401 497 1,349 2,807 7,619 9,443 28,471 53,333 199,297 540,949 3,786,643

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

3,786,643 11,359,930 5,679,965 17,039,896 8,519,948 4,259,974 2,129,987 6,389,962 3,194,981 9,584,944 4,792,472 2,396,236 1,198,118 599,059 1,797,178 898,589 2,695,768 1,347,884 673,942 336,971 1,010,914 505,457 1,516,372 758,186 379,093 1,137,280 568,640 284,320 142,160 71,080 35,540 17,770 8,885 26,656 13,328 6,664 3,332 1,666 833 2,500 1,250 625 1,876 938 469 1,408 704 352 176 88 44 22 11 34 17 52 26 13 40 20

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