2 × 19 × 71 × 139

Prime Factor Structure

Factorization String 2 × 19 × 71 × 139

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 604,800

Proper Divisor Sum 229,778

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #375019 ← → #375029

1 2 19 38 71 139 142 278 1,349 2,641 2,698 5,282 9,869 19,738 187,511 375,022

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

375,022 187,511 562,534 281,267 843,802 421,901 1,265,704 632,852 316,426 158,213 474,640 237,320 118,660 59,330 29,665 88,996 44,498 22,249 66,748 33,374 16,687 50,062 25,031 75,094 37,547 112,642 56,321 168,964 84,482 42,241 126,724 63,362 31,681 95,044 47,522 23,761 71,284 35,642 17,821 53,464 26,732 13,366 6,683 20,050 10,025 30,076 15,038 7,519 22,558 11,279 33,838 16,919 50,758 25,379 76,138 38,069 114,208 57,104 28,552 14,276

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