7 × 13 × 19 × 1321

Prime Factor Structure

Factorization String 7 × 13 × 19 × 1321

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,961,280

Proper Divisor Sum 677,271

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #2284003 ← → #2284013

1 7 13 19 91 133 247 1,321 1,729 9,247 17,173 25,099 120,211 175,693 326,287 2,284,009

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

2,284,009 6,852,028 3,426,014 1,713,007 5,139,022 2,569,511 7,708,534 3,854,267 11,562,802 5,781,401 17,344,204 8,672,102 4,336,051 13,008,154 6,504,077 19,512,232 9,756,116 4,878,058 2,439,029 7,317,088 3,658,544 1,829,272 914,636 457,318 228,659 685,978 342,989 1,028,968 514,484 257,242 128,621 385,864 192,932 96,466 48,233 144,700 72,350 36,175 108,526 54,263 162,790 81,395 244,186 122,093 366,280 183,140 91,570 45,785 137,356 68,678 34,339 103,018 51,509 154,528 77,264 38,632 19,316 9,658 4,829 14,488

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