661 × 1879

Prime Factor Structure

Factorization String 661 × 1879

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 1,244,560

Proper Divisor Sum 2,541

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #1242001 ← → #1242029

1 661 1,879 1,242,019

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

1,242,019 3,726,058 1,863,029 5,589,088 2,794,544 1,397,272 698,636 349,318 174,659 523,978 261,989 785,968 392,984 196,492 98,246 49,123 147,370 73,685 221,056 110,528 55,264 27,632 13,816 6,908 3,454 1,727 5,182 2,591 7,774 3,887 11,662 5,831 17,494 8,747 26,242 13,121 39,364 19,682 9,841 29,524 14,762 7,381 22,144 11,072 5,536 2,768 1,384 692 346 173 520 260 130 65 196 98 49 148 74 37

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