7 × 19961

Prime Factor Structure

Factorization String 7 × 19961

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 159,696

Proper Divisor Sum 19,969

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #139721 ← → #139729

1 7 19,961 139,727

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

139,727 419,182 209,591 628,774 314,387 943,162 471,581 1,414,744 707,372 353,686 176,843 530,530 265,265 795,796 397,898 198,949 596,848 298,424 149,212 74,606 37,303 111,910 55,955 167,866 83,933 251,800 125,900 62,950 31,475 94,426 47,213 141,640 70,820 35,410 17,705 53,116 26,558 13,279 39,838 19,919 59,758 29,879 89,638 44,819 134,458 67,229 201,688 100,844 50,422 25,211 75,634 37,817 113,452 56,726 28,363 85,090 42,545 127,636 63,818 31,909

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