3 × 13 × 37 × 109

Prime Factor Structure

Factorization String 3 × 13 × 37 × 109

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 234,080

Proper Divisor Sum 76,793

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #157279 ← → #157291

1 3 13 37 39 109 111 327 481 1,417 1,443 4,033 4,251 12,099 52,429 157,287

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

157,287 471,862 235,931 707,794 353,897 1,061,692 530,846 265,423 796,270 398,135 1,194,406 597,203 1,791,610 895,805 2,687,416 1,343,708 671,854 335,927 1,007,782 503,891 1,511,674 755,837 2,267,512 1,133,756 566,878 283,439 850,318 425,159 1,275,478 637,739 1,913,218 956,609 2,869,828 1,434,914 717,457 2,152,372 1,076,186 538,093 1,614,280 807,140 403,570 201,785 605,356 302,678 151,339 454,018 227,009 681,028 340,514 170,257 510,772 255,386 127,693 383,080 191,540 95,770 47,885 143,656 71,828 35,914

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