3 × 7 × 197 × 857

Prime Factor Structure

Factorization String 3 × 7 × 197 × 857

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 5,436,288

Proper Divisor Sum 1,890,879

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #3545407 ← → #3545411

1 3 7 21 197 591 857 1,379 2,571 4,137 5,999 17,997 168,829 506,487 1,181,803 3,545,409

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

3,545,409 10,636,228 5,318,114 2,659,057 7,977,172 3,988,586 1,994,293 5,982,880 2,991,440 1,495,720 747,860 373,930 186,965 560,896 280,448 140,224 70,112 35,056 17,528 8,764 4,382 2,191 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

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