13 × 17 × 2917

Prime Factor Structure

Factorization String 13 × 17 × 2917

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 735,336

Proper Divisor Sum 90,679

Digit Sum / Digital Root 32 (Root: 5)

Adjacent Primes #644653 ← → #644669

1 13 17 221 2,917 37,921 49,589 644,657

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

644,657 1,933,972 966,986 483,493 1,450,480 725,240 362,620 181,310 90,655 271,966 135,983 407,950 203,975 611,926 305,963 917,890 458,945 1,376,836 688,418 344,209 1,032,628 516,314 258,157 774,472 387,236 193,618 96,809 290,428 145,214 72,607 217,822 108,911 326,734 163,367 490,102 245,051 735,154 367,577 1,102,732 551,366 275,683 827,050 413,525 1,240,576 620,288 310,144 155,072 77,536 38,768 19,384 9,692 4,846 2,423 7,270 3,635 10,906 5,453 16,360 8,180 4,090

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