13 × 139 × 233

Prime Factor Structure

Factorization String 13 × 139 × 233

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 458,640

Proper Divisor Sum 37,609

Digit Sum / Digital Root 11 (Root: 2)

Adjacent Primes #421019 ← → #421033

1 13 139 233 1,807 3,029 32,387 421,031

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

421,031 1,263,094 631,547 1,894,642 947,321 2,841,964 1,420,982 710,491 2,131,474 1,065,737 3,197,212 1,598,606 799,303 2,397,910 1,198,955 3,596,866 1,798,433 5,395,300 2,697,650 1,348,825 4,046,476 2,023,238 1,011,619 3,034,858 1,517,429 4,552,288 2,276,144 1,138,072 569,036 284,518 142,259 426,778 213,389 640,168 320,084 160,042 80,021 240,064 120,032 60,016 30,008 15,004 7,502 3,751 11,254 5,627 16,882 8,441 25,324 12,662 6,331 18,994 9,497 28,492 14,246 7,123 21,370 10,685 32,056 16,028

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