3 × 7 × 61 × 223

Prime Factor Structure

Factorization String 3 × 7 × 61 × 223

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 444,416

Proper Divisor Sum 158,753

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #285661 ← → #285667

1 3 7 21 61 183 223 427 669 1,281 1,561 4,683 13,603 40,809 95,221 285,663

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

285,663 856,990 428,495 1,285,486 642,743 1,928,230 964,115 2,892,346 1,446,173 4,338,520 2,169,260 1,084,630 542,315 1,626,946 813,473 2,440,420 1,220,210 610,105 1,830,316 915,158 457,579 1,372,738 686,369 2,059,108 1,029,554 514,777 1,544,332 772,166 386,083 1,158,250 579,125 1,737,376 868,688 434,344 217,172 108,586 54,293 162,880 81,440 40,720 20,360 10,180 5,090 2,545 7,636 3,818 1,909 5,728 2,864 1,432 716 358 179 538 269 808 404 202 101 304

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