5 × 7 × 19661

Prime Factor Structure

Factorization String 5 × 7 × 19661

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 943,776

Proper Divisor Sum 255,641

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #688133 ← → #688139

1 5 7 35 19,661 98,305 137,627 688,135

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

688,135 2,064,406 1,032,203 3,096,610 1,548,305 4,644,916 2,322,458 1,161,229 3,483,688 1,741,844 870,922 435,461 1,306,384 653,192 326,596 163,298 81,649 244,948 122,474 61,237 183,712 91,856 45,928 22,964 11,482 5,741 17,224 8,612 4,306 2,153 6,460 3,230 1,615 4,846 2,423 7,270 3,635 10,906 5,453 16,360 8,180 4,090 2,045 6,136 3,068 1,534 767 2,302 1,151 3,454 1,727 5,182 2,591 7,774 3,887 11,662 5,831 17,494 8,747 26,242

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