257 × 12479

Prime Factor Structure

Factorization String 257 × 12479

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 3,219,840

Proper Divisor Sum 12,737

Digit Sum / Digital Root 16 (Root: 7)

Adjacent Primes #3207091 ← → #3207119

1 257 12,479 3,207,103

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

3,207,103 9,621,310 4,810,655 14,431,966 7,215,983 21,647,950 10,823,975 32,471,926 16,235,963 48,707,890 24,353,945 73,061,836 36,530,918 18,265,459 54,796,378 27,398,189 82,194,568 41,097,284 20,548,642 10,274,321 30,822,964 15,411,482 7,705,741 23,117,224 11,558,612 5,779,306 2,889,653 8,668,960 4,334,480 2,167,240 1,083,620 541,810 270,905 812,716 406,358 203,179 609,538 304,769 914,308 457,154 228,577 685,732 342,866 171,433 514,300 257,150 128,575 385,726 192,863 578,590 289,295 867,886 433,943 1,301,830 650,915 1,952,746 976,373 2,929,120 1,464,560 732,280

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