3 × 7 × 131 × 359

Prime Factor Structure

Factorization String 3 × 7 × 131 × 359

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,520,640

Proper Divisor Sum 533,031

Digit Sum / Digital Root 39 (Root: 3)

Adjacent Primes #987607 ← → #987631

1 3 7 21 131 359 393 917 1,077 2,513 2,751 7,539 47,029 141,087 329,203 987,609

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

987,609 2,962,828 1,481,414 740,707 2,222,122 1,111,061 3,333,184 1,666,592 833,296 416,648 208,324 104,162 52,081 156,244 78,122 39,061 117,184 58,592 29,296 14,648 7,324 3,662 1,831 5,494 2,747 8,242 4,121 12,364 6,182 3,091 9,274 4,637 13,912 6,956 3,478 1,739 5,218 2,609 7,828 3,914 1,957 5,872 2,936 1,468 734 367 1,102 551 1,654 827 2,482 1,241 3,724 1,862 931 2,794 1,397 4,192 2,096 1,048

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