2 × 5 × 7² × 1303

Prime Factor Structure

Factorization String 2 × 5 × 7^2 × 1303

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 1,337,904

Proper Divisor Sum 699,434

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #638467 ← → #638489

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

638,470 319,235 957,706 478,853 1,436,560 718,280 359,140 179,570 89,785 269,356 134,678 67,339 202,018 101,009 303,028 151,514 75,757 227,272 113,636 56,818 28,409 85,228 42,614 21,307 63,922 31,961 95,884 47,942 23,971 71,914 35,957 107,872 53,936 26,968 13,484 6,742 3,371 10,114 5,057 15,172 7,586 3,793 11,380 5,690 2,845 8,536 4,268 2,134 1,067 3,202 1,601 4,804 2,402 1,201 3,604 1,802 901 2,704 1,352 676

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