2 × 17 × 61 × 251

Prime Factor Structure

Factorization String 2 × 17 × 61 × 251

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 843,696

Proper Divisor Sum 323,122

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #520571 ← → #520589

1 2 17 34 61 122 251 502 1,037 2,074 4,267 8,534 15,311 30,622 260,287 520,574

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

520,574 260,287 780,862 390,431 1,171,294 585,647 1,756,942 878,471 2,635,414 1,317,707 3,953,122 1,976,561 5,929,684 2,964,842 1,482,421 4,447,264 2,223,632 1,111,816 555,908 277,954 138,977 416,932 208,466 104,233 312,700 156,350 78,175 234,526 117,263 351,790 175,895 527,686 263,843 791,530 395,765 1,187,296 593,648 296,824 148,412 74,206 37,103 111,310 55,655 166,966 83,483 250,450 125,225 375,676 187,838 93,919 281,758 140,879 422,638 211,319 633,958 316,979 950,938 475,469 1,426,408 713,204

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