3 × 7 × 97 × 197

Prime Factor Structure

Factorization String 3 × 7 × 97 × 197

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 620,928

Proper Divisor Sum 219,639

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #401287 ← → #401309

1 3 7 21 97 197 291 591 679 1,379 2,037 4,137 19,109 57,327 133,763 401,289

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

401,289 1,203,868 601,934 300,967 902,902 451,451 1,354,354 677,177 2,031,532 1,015,766 507,883 1,523,650 761,825 2,285,476 1,142,738 571,369 1,714,108 857,054 428,527 1,285,582 642,791 1,928,374 964,187 2,892,562 1,446,281 4,338,844 2,169,422 1,084,711 3,254,134 1,627,067 4,881,202 2,440,601 7,321,804 3,660,902 1,830,451 5,491,354 2,745,677 8,237,032 4,118,516 2,059,258 1,029,629 3,088,888 1,544,444 772,222 386,111 1,158,334 579,167 1,737,502 868,751 2,606,254 1,303,127 3,909,382 1,954,691 5,864,074 2,932,037 8,796,112 4,398,056 2,199,028 1,099,514 549,757

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