3² × 19² × 139

Prime Factor Structure

Factorization String 3^2 × 19^2 × 139

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 693,420

Proper Divisor Sum 241,809

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #451609 ← → #451621

1 3 9 19 57 139 171 361 417 1,083 1,251 2,641 3,249 7,923 23,769 50,179 150,537 451,611

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

451,611 1,354,834 677,417 2,032,252 1,016,126 508,063 1,524,190 762,095 2,286,286 1,143,143 3,429,430 1,714,715 5,144,146 2,572,073 7,716,220 3,858,110 1,929,055 5,787,166 2,893,583 8,680,750 4,340,375 13,021,126 6,510,563 19,531,690 9,765,845 29,297,536 14,648,768 7,324,384 3,662,192 1,831,096 915,548 457,774 228,887 686,662 343,331 1,029,994 514,997 1,544,992 772,496 386,248 193,124 96,562 48,281 144,844 72,422 36,211 108,634 54,317 162,952 81,476 40,738 20,369 61,108 30,554 15,277 45,832 22,916 11,458 5,729 17,188

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