3 × 7 × 11 × 19687

Prime Factor Structure

Factorization String 3 × 7 × 11 × 19687

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 7,560,192

Proper Divisor Sum 3,012,495

Digit Sum / Digital Root 42 (Root: 6)

Adjacent Primes #4547689 ← → #4547701

1 3 7 11 21 33 77 231 19,687 59,061 137,809 216,557 413,427 649,671 1,515,899 4,547,697

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

4,547,697 13,643,092 6,821,546 3,410,773 10,232,320 5,116,160 2,558,080 1,279,040 639,520 319,760 159,880 79,940 39,970 19,985 59,956 29,978 14,989 44,968 22,484 11,242 5,621 16,864 8,432 4,216 2,108 1,054 527 1,582 791 2,374 1,187 3,562 1,781 5,344 2,672 1,336 668 334 167 502 251 754 377 1,132 566 283 850 425 1,276 638 319 958 479 1,438 719 2,158 1,079 3,238 1,619 4,858

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