19 × 8221

Prime Factor Structure

Factorization String 19 × 8221

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 164,440

Proper Divisor Sum 8,241

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #156157 ← → #156217

1 19 8,221 156,199

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

156,199 468,598 234,299 702,898 351,449 1,054,348 527,174 263,587 790,762 395,381 1,186,144 593,072 296,536 148,268 74,134 37,067 111,202 55,601 166,804 83,402 41,701 125,104 62,552 31,276 15,638 7,819 23,458 11,729 35,188 17,594 8,797 26,392 13,196 6,598 3,299 9,898 4,949 14,848 7,424 3,712 1,856 928 464 232 116 58 29 88 44 22 11 34 17 52 26 13 40 20 10 5

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