3 × 5 × 19 × 21521

Prime Factor Structure

Factorization String 3 × 5 × 19 × 21521

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 10,330,560

Proper Divisor Sum 4,197,075

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #6133483 ← → #6133487

1 3 5 15 19 57 95 285 21,521 64,563 107,605 322,815 408,899 1,226,697 2,044,495 6,133,485

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

6,133,485 18,400,456 9,200,228 4,600,114 2,300,057 6,900,172 3,450,086 1,725,043 5,175,130 2,587,565 7,762,696 3,881,348 1,940,674 970,337 2,911,012 1,455,506 727,753 2,183,260 1,091,630 545,815 1,637,446 818,723 2,456,170 1,228,085 3,684,256 1,842,128 921,064 460,532 230,266 115,133 345,400 172,700 86,350 43,175 129,526 64,763 194,290 97,145 291,436 145,718 72,859 218,578 109,289 327,868 163,934 81,967 245,902 122,951 368,854 184,427 553,282 276,641 829,924 414,962 207,481 622,444 311,222 155,611 466,834 233,417

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