3 × 17 × 397

Prime Factor Structure

Factorization String 3 × 17 × 397

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 28,656

Proper Divisor Sum 8,409

Digit Sum / Digital Root 15 (Root: 6)

Adjacent Primes #20233 ← → #20249

1 3 17 51 397 1,191 6,749 20,247

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

20,247 60,742 30,371 91,114 45,557 136,672 68,336 34,168 17,084 8,542 4,271 12,814 6,407 19,222 9,611 28,834 14,417 43,252 21,626 10,813 32,440 16,220 8,110 4,055 12,166 6,083 18,250 9,125 27,376 13,688 6,844 3,422 1,711 5,134 2,567 7,702 3,851 11,554 5,777 17,332 8,666 4,333 13,000 6,500 3,250 1,625 4,876 2,438 1,219 3,658 1,829 5,488 2,744 1,372 686 343 1,030 515 1,546 773

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