2² × 7² × 20353

Prime Factor Structure

Factorization String 2^2 × 7^2 × 20353

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 8,121,246

Proper Divisor Sum 4,132,058

Digit Sum / Digital Root 46 (Root: 1)

Adjacent Primes #3989171 ← → #3989191

1 2 4 7 14 28 49 98 196 20,353 40,706 81,412 142,471 284,942 569,884 997,297 1,994,594 3,989,188

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

3,989,188 1,994,594 997,297 2,991,892 1,495,946 747,973 2,243,920 1,121,960 560,980 280,490 140,245 420,736 210,368 105,184 52,592 26,296 13,148 6,574 3,287 9,862 4,931 14,794 7,397 22,192 11,096 5,548 2,774 1,387 4,162 2,081 6,244 3,122 1,561 4,684 2,342 1,171 3,514 1,757 5,272 2,636 1,318 659 1,978 989 2,968 1,484 742 371 1,114 557 1,672 836 418 209 628 314 157 472 236 118

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