197 × 211

Prime Factor Structure

Factorization String 197 × 211

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 41,976

Proper Divisor Sum 409

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #41549 ← → #41579

1 197 211 41,567

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

41,567 124,702 62,351 187,054 93,527 280,582 140,291 420,874 210,437 631,312 315,656 157,828 78,914 39,457 118,372 59,186 29,593 88,780 44,390 22,195 66,586 33,293 99,880 49,940 24,970 12,485 37,456 18,728 9,364 4,682 2,341 7,024 3,512 1,756 878 439 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 59 178 89 268

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