7 × 11 × 47 × 61

Prime Factor Structure

Factorization String 7 × 11 × 47 × 61

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 285,696

Proper Divisor Sum 64,937

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #220757 ← → #220771

1 7 11 47 61 77 329 427 517 671 2,867 3,619 4,697 20,069 31,537 220,759

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

220,759 662,278 331,139 993,418 496,709 1,490,128 745,064 372,532 186,266 93,133 279,400 139,700 69,850 34,925 104,776 52,388 26,194 13,097 39,292 19,646 9,823 29,470 14,735 44,206 22,103 66,310 33,155 99,466 49,733 149,200 74,600 37,300 18,650 9,325 27,976 13,988 6,994 3,497 10,492 5,246 2,623 7,870 3,935 11,806 5,903 17,710 8,855 26,566 13,283 39,850 19,925 59,776 29,888 14,944 7,472 3,736 1,868 934 467 1,402

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