13 × 19997

Prime Factor Structure

Factorization String 13 × 19997

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 279,972

Proper Divisor Sum 20,011

Digit Sum / Digital Root 32 (Root: 5)

Adjacent Primes #259949 ← → #259967

1 13 19,997 259,961

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

259,961 779,884 389,942 194,971 584,914 292,457 877,372 438,686 219,343 658,030 329,015 987,046 493,523 1,480,570 740,285 2,220,856 1,110,428 555,214 277,607 832,822 416,411 1,249,234 624,617 1,873,852 936,926 468,463 1,405,390 702,695 2,108,086 1,054,043 3,162,130 1,581,065 4,743,196 2,371,598 1,185,799 3,557,398 1,778,699 5,336,098 2,668,049 8,004,148 4,002,074 2,001,037 6,003,112 3,001,556 1,500,778 750,389 2,251,168 1,125,584 562,792 281,396 140,698 70,349 211,048 105,524 52,762 26,381 79,144 39,572 19,786 9,893

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