3 × 11 × 17 × 139

Prime Factor Structure

Factorization String 3 × 11 × 17 × 139

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 120,960

Proper Divisor Sum 42,981

Digit Sum / Digital Root 39 (Root: 3)

Adjacent Primes #77977 ← → #77983

1 3 11 17 33 51 139 187 417 561 1,529 2,363 4,587 7,089 25,993 77,979

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

77,979 233,938 116,969 350,908 175,454 87,727 263,182 131,591 394,774 197,387 592,162 296,081 888,244 444,122 222,061 666,184 333,092 166,546 83,273 249,820 124,910 62,455 187,366 93,683 281,050 140,525 421,576 210,788 105,394 52,697 158,092 79,046 39,523 118,570 59,285 177,856 88,928 44,464 22,232 11,116 5,558 2,779 8,338 4,169 12,508 6,254 3,127 9,382 4,691 14,074 7,037 21,112 10,556 5,278 2,639 7,918 3,959 11,878 5,939 17,818

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