2 × 7 × 157 × 313

Prime Factor Structure

Factorization String 2 × 7 × 157 × 313

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,190,688

Proper Divisor Sum 502,714

Digit Sum / Digital Root 41 (Root: 5)

Adjacent Primes #687961 ← → #687977

1 2 7 14 157 313 314 626 1,099 2,191 2,198 4,382 49,141 98,282 343,987 687,974

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

687,974 343,987 1,031,962 515,981 1,547,944 773,972 386,986 193,493 580,480 290,240 145,120 72,560 36,280 18,140 9,070 4,535 13,606 6,803 20,410 10,205 30,616 15,308 7,654 3,827 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.