2 × 139571

Prime Factor Structure

Factorization String 2 × 139571

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 418,716

Proper Divisor Sum 139,574

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #279137 ← → #279143

1 2 139,571 279,142

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

279,142 139,571 418,714 209,357 628,072 314,036 157,018 78,509 235,528 117,764 58,882 29,441 88,324 44,162 22,081 66,244 33,122 16,561 49,684 24,842 12,421 37,264 18,632 9,316 4,658 2,329 6,988 3,494 1,747 5,242 2,621 7,864 3,932 1,966 983 2,950 1,475 4,426 2,213 6,640 3,320 1,660 830 415 1,246 623 1,870 935 2,806 1,403 4,210 2,105 6,316 3,158 1,579 4,738 2,369 7,108 3,554 1,777

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