7 × 137 × 223

Prime Factor Structure

Factorization String 7 × 137 × 223

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 247,296

Proper Divisor Sum 33,439

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #213847 ← → #213859

1 7 137 223 959 1,561 30,551 213,857

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

213,857 641,572 320,786 160,393 481,180 240,590 120,295 360,886 180,443 541,330 270,665 811,996 405,998 202,999 608,998 304,499 913,498 456,749 1,370,248 685,124 342,562 171,281 513,844 256,922 128,461 385,384 192,692 96,346 48,173 144,520 72,260 36,130 18,065 54,196 27,098 13,549 40,648 20,324 10,162 5,081 15,244 7,622 3,811 11,434 5,717 17,152 8,576 4,288 2,144 1,072 536 268 134 67 202 101 304 152 76 38

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