7 × 11 × 61 × 109

Prime Factor Structure

Factorization String 7 × 11 × 61 × 109

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 654,720

Proper Divisor Sum 142,747

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #511963 ← → #511991

1 7 11 61 77 109 427 671 763 1,199 4,697 6,649 8,393 46,543 73,139 511,973

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

511,973 1,535,920 767,960 383,980 191,990 95,995 287,986 143,993 431,980 215,990 107,995 323,986 161,993 485,980 242,990 121,495 364,486 182,243 546,730 273,365 820,096 410,048 205,024 102,512 51,256 25,628 12,814 6,407 19,222 9,611 28,834 14,417 43,252 21,626 10,813 32,440 16,220 8,110 4,055 12,166 6,083 18,250 9,125 27,376 13,688 6,844 3,422 1,711 5,134 2,567 7,702 3,851 11,554 5,777 17,332 8,666 4,333 13,000 6,500 3,250

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