3² × 17 × 4217

Prime Factor Structure

Factorization String 3^2 × 17 × 4217

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 987,012

Proper Divisor Sum 341,811

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #645187 ← → #645233

1 3 9 17 51 153 4,217 12,651 37,953 71,689 215,067 645,201

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

645,201 1,935,604 967,802 483,901 1,451,704 725,852 362,926 181,463 544,390 272,195 816,586 408,293 1,224,880 612,440 306,220 153,110 76,555 229,666 114,833 344,500 172,250 86,125 258,376 129,188 64,594 32,297 96,892 48,446 24,223 72,670 36,335 109,006 54,503 163,510 81,755 245,266 122,633 367,900 183,950 91,975 275,926 137,963 413,890 206,945 620,836 310,418 155,209 465,628 232,814 116,407 349,222 174,611 523,834 261,917 785,752 392,876 196,438 98,219 294,658 147,329

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