2 × 645571

Prime Factor Structure

Factorization String 2 × 645571

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 1,936,716

Proper Divisor Sum 645,574

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #1291139 ← → #1291153

1 2 645,571 1,291,142

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

1,291,142 645,571 1,936,714 968,357 2,905,072 1,452,536 726,268 363,134 181,567 544,702 272,351 817,054 408,527 1,225,582 612,791 1,838,374 919,187 2,757,562 1,378,781 4,136,344 2,068,172 1,034,086 517,043 1,551,130 775,565 2,326,696 1,163,348 581,674 290,837 872,512 436,256 218,128 109,064 54,532 27,266 13,633 40,900 20,450 10,225 30,676 15,338 7,669 23,008 11,504 5,752 2,876 1,438 719 2,158 1,079 3,238 1,619 4,858 2,429 7,288 3,644 1,822 911 2,734 1,367

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