31 × 128321

Prime Factor Structure

Factorization String 31 × 128321

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 4,106,304

Proper Divisor Sum 128,353

Digit Sum / Digital Root 41 (Root: 5)

Adjacent Primes #3977947 ← → #3977977

1 31 128,321 3,977,951

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

3,977,951 11,933,854 5,966,927 17,900,782 8,950,391 26,851,174 13,425,587 40,276,762 20,138,381 60,415,144 30,207,572 15,103,786 7,551,893 22,655,680 11,327,840 5,663,920 2,831,960 1,415,980 707,990 353,995 1,061,986 530,993 1,592,980 796,490 398,245 1,194,736 597,368 298,684 149,342 74,671 224,014 112,007 336,022 168,011 504,034 252,017 756,052 378,026 189,013 567,040 283,520 141,760 70,880 35,440 17,720 8,860 4,430 2,215 6,646 3,323 9,970 4,985 14,956 7,478 3,739 11,218 5,609 16,828 8,414 4,207

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