3 × 7 × 19997

Prime Factor Structure

Factorization String 3 × 7 × 19997

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 639,936

Proper Divisor Sum 219,999

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #419933 ← → #419953

1 3 7 21 19,997 59,991 139,979 419,937

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

419,937 1,259,812 629,906 314,953 944,860 472,430 236,215 708,646 354,323 1,062,970 531,485 1,594,456 797,228 398,614 199,307 597,922 298,961 896,884 448,442 224,221 672,664 336,332 168,166 84,083 252,250 126,125 378,376 189,188 94,594 47,297 141,892 70,946 35,473 106,420 53,210 26,605 79,816 39,908 19,954 9,977 29,932 14,966 7,483 22,450 11,225 33,676 16,838 8,419 25,258 12,629 37,888 18,944 9,472 4,736 2,368 1,184 592 296 148 74

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