3 × 7 × 263 × 281

Prime Factor Structure

Factorization String 3 × 7 × 263 × 281

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,382,336

Proper Divisor Sum 830,373

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #1551961 ← → #1551967

1 3 7 21 263 281 789 843 1,841 1,967 5,523 5,901 73,903 221,709 517,321 1,551,963

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

1,551,963 4,655,890 2,327,945 6,983,836 3,491,918 1,745,959 5,237,878 2,618,939 7,856,818 3,928,409 11,785,228 5,892,614 2,946,307 8,838,922 4,419,461 13,258,384 6,629,192 3,314,596 1,657,298 828,649 2,485,948 1,242,974 621,487 1,864,462 932,231 2,796,694 1,398,347 4,195,042 2,097,521 6,292,564 3,146,282 1,573,141 4,719,424 2,359,712 1,179,856 589,928 294,964 147,482 73,741 221,224 110,612 55,306 27,653 82,960 41,480 20,740 10,370 5,185 15,556 7,778 3,889 11,668 5,834 2,917 8,752 4,376 2,188 1,094 547 1,642

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