13 × 53 × 937

Prime Factor Structure

Factorization String 13 × 53 × 937

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 709,128

Proper Divisor Sum 63,535

Digit Sum / Digital Root 32 (Root: 5)

Adjacent Primes #645583 ← → #645599

1 13 53 689 937 12,181 49,661 645,593

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

645,593 1,936,780 968,390 484,195 1,452,586 726,293 2,178,880 1,089,440 544,720 272,360 136,180 68,090 34,045 102,136 51,068 25,534 12,767 38,302 19,151 57,454 28,727 86,182 43,091 129,274 64,637 193,912 96,956 48,478 24,239 72,718 36,359 109,078 54,539 163,618 81,809 245,428 122,714 61,357 184,072 92,036 46,018 23,009 69,028 34,514 17,257 51,772 25,886 12,943 38,830 19,415 58,246 29,123 87,370 43,685 131,056 65,528 32,764 16,382 8,191 24,574

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