3 × 17 × 197 × 2179

Prime Factor Structure

Factorization String 3 × 17 × 197 × 2179

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 31,078,080

Proper Divisor Sum 9,185,667

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #21892411 ← → #21892441

1 3 17 51 197 591 2,179 3,349 6,537 10,047 37,043 111,129 429,263 1,287,789 7,297,471 21,892,413

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

21,892,413 65,677,240 32,838,620 16,419,310 8,209,655 24,628,966 12,314,483 36,943,450 18,471,725 55,415,176 27,707,588 13,853,794 6,926,897 20,780,692 10,390,346 5,195,173 15,585,520 7,792,760 3,896,380 1,948,190 974,095 2,922,286 1,461,143 4,383,430 2,191,715 6,575,146 3,287,573 9,862,720 4,931,360 2,465,680 1,232,840 616,420 308,210 154,105 462,316 231,158 115,579 346,738 173,369 520,108 260,054 130,027 390,082 195,041 585,124 292,562 146,281 438,844 219,422 109,711 329,134 164,567 493,702 246,851 740,554 370,277 1,110,832 555,416 277,708 138,854

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