3 × 7 × 61 × 503

Prime Factor Structure

Factorization String 3 × 7 × 61 × 503

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 999,936

Proper Divisor Sum 355,593

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #644341 ← → #644353

1 3 7 21 61 183 427 503 1,281 1,509 3,521 10,563 30,683 92,049 214,781 644,343

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

644,343 1,933,030 966,515 2,899,546 1,449,773 4,349,320 2,174,660 1,087,330 543,665 1,630,996 815,498 407,749 1,223,248 611,624 305,812 152,906 76,453 229,360 114,680 57,340 28,670 14,335 43,006 21,503 64,510 32,255 96,766 48,383 145,150 72,575 217,726 108,863 326,590 163,295 489,886 244,943 734,830 367,415 1,102,246 551,123 1,653,370 826,685 2,480,056 1,240,028 620,014 310,007 930,022 465,011 1,395,034 697,517 2,092,552 1,046,276 523,138 261,569 784,708 392,354 196,177 588,532 294,266 147,133

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