2 × 3 × 13 × 8609

Prime Factor Structure

Factorization String 2 × 3 × 13 × 8609

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,446,480

Proper Divisor Sum 774,978

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #671501 ← → #671519

1 2 3 6 13 26 39 78 8,609 17,218 25,827 51,654 111,917 223,834 335,751 671,502

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

671,502 335,751 1,007,254 503,627 1,510,882 755,441 2,266,324 1,133,162 566,581 1,699,744 849,872 424,936 212,468 106,234 53,117 159,352 79,676 39,838 19,919 59,758 29,879 89,638 44,819 134,458 67,229 201,688 100,844 50,422 25,211 75,634 37,817 113,452 56,726 28,363 85,090 42,545 127,636 63,818 31,909 95,728 47,864 23,932 11,966 5,983 17,950 8,975 26,926 13,463 40,390 20,195 60,586 30,293 90,880 45,440 22,720 11,360 5,680 2,840 1,420 710

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