2 × 5 × 7 × 3109

Prime Factor Structure

Factorization String 2 × 5 × 7 × 3109

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 447,840

Proper Divisor Sum 230,210

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #217619 ← → #217643

1 2 5 7 10 14 35 70 3,109 6,218 15,545 21,763 31,090 43,526 108,815 217,630

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

217,630 108,815 326,446 163,223 489,670 244,835 734,506 367,253 1,101,760 550,880 275,440 137,720 68,860 34,430 17,215 51,646 25,823 77,470 38,735 116,206 58,103 174,310 87,155 261,466 130,733 392,200 196,100 98,050 49,025 147,076 73,538 36,769 110,308 55,154 27,577 82,732 41,366 20,683 62,050 31,025 93,076 46,538 23,269 69,808 34,904 17,452 8,726 4,363 13,090 6,545 19,636 9,818 4,909 14,728 7,364 3,682 1,841 5,524 2,762 1,381

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