216781

Prime Factor Structure

Factorization String 216781

Distinct Prime Factors 1

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 2

Divisor Sum (σ) 216,782

Proper Divisor Sum 1

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #216779 ← → #216787

1 216,781

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

216,781 650,344 325,172 162,586 81,293 243,880 121,940 60,970 30,485 91,456 45,728 22,864 11,432 5,716 2,858 1,429 4,288 2,144 1,072 536 268 134 67 202 101 304 152 76 38 19 58 29 88 44 22 11 34 17 52 26 13 40 20 10 5 16 8 4 2 1

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