7 × 13 × 21961

Prime Factor Structure

Factorization String 7 × 13 × 21961

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 2,459,744

Proper Divisor Sum 461,293

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #1998449 ← → #1998457

1 7 13 91 21,961 153,727 285,493 1,998,451

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

1,998,451 5,995,354 2,997,677 8,993,032 4,496,516 2,248,258 1,124,129 3,372,388 1,686,194 843,097 2,529,292 1,264,646 632,323 1,896,970 948,485 2,845,456 1,422,728 711,364 355,682 177,841 533,524 266,762 133,381 400,144 200,072 100,036 50,018 25,009 75,028 37,514 18,757 56,272 28,136 14,068 7,034 3,517 10,552 5,276 2,638 1,319 3,958 1,979 5,938 2,969 8,908 4,454 2,227 6,682 3,341 10,024 5,012 2,506 1,253 3,760 1,880 940 470 235 706 353

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