2² × 13 × 101 × 131

Prime Factor Structure

Factorization String 2^2 × 13 × 101 × 131

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 1,319,472

Proper Divisor Sum 631,460

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #688003 ← → #688013

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

688,012 344,006 172,003 516,010 258,005 774,016 387,008 193,504 96,752 48,376 24,188 12,094 6,047 18,142 9,071 27,214 13,607 40,822 20,411 61,234 30,617 91,852 45,926 22,963 68,890 34,445 103,336 51,668 25,834 12,917 38,752 19,376 9,688 4,844 2,422 1,211 3,634 1,817 5,452 2,726 1,363 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.