251 × 421

Prime Factor Structure

Factorization String 251 × 421

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 106,344

Proper Divisor Sum 673

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #105667 ← → #105673

1 251 421 105,671

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

105,671 317,014 158,507 475,522 237,761 713,284 356,642 178,321 534,964 267,482 133,741 401,224 200,612 100,306 50,153 150,460 75,230 37,615 112,846 56,423 169,270 84,635 253,906 126,953 380,860 190,430 95,215 285,646 142,823 428,470 214,235 642,706 321,353 964,060 482,030 241,015 723,046 361,523 1,084,570 542,285 1,626,856 813,428 406,714 203,357 610,072 305,036 152,518 76,259 228,778 114,389 343,168 171,584 85,792 42,896 21,448 10,724 5,362 2,681 8,044 4,022

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