3 × 7 × 43 × 3557

Prime Factor Structure

Factorization String 3 × 7 × 43 × 3557

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 5,009,664

Proper Divisor Sum 1,797,693

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #3211939 ← → #3211979

1 3 7 21 43 129 301 903 3,557 10,671 24,899 74,697 152,951 458,853 1,070,657 3,211,971

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

3,211,971 9,635,914 4,817,957 14,453,872 7,226,936 3,613,468 1,806,734 903,367 2,710,102 1,355,051 4,065,154 2,032,577 6,097,732 3,048,866 1,524,433 4,573,300 2,286,650 1,143,325 3,429,976 1,714,988 857,494 428,747 1,286,242 643,121 1,929,364 964,682 482,341 1,447,024 723,512 361,756 180,878 90,439 271,318 135,659 406,978 203,489 610,468 305,234 152,617 457,852 228,926 114,463 343,390 171,695 515,086 257,543 772,630 386,315 1,158,946 579,473 1,738,420 869,210 434,605 1,303,816 651,908 325,954 162,977 488,932 244,466 122,233

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