5 × 31 × 139 × 397

Prime Factor Structure

Factorization String 5 × 31 × 139 × 397

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 10,698,240

Proper Divisor Sum 2,144,875

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #8553361 ← → #8553367

1 5 31 139 155 397 695 1,985 4,309 12,307 21,545 55,183 61,535 275,915 1,710,673 8,553,365

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

8,553,365 25,660,096 12,830,048 6,415,024 3,207,512 1,603,756 801,878 400,939 1,202,818 601,409 1,804,228 902,114 451,057 1,353,172 676,586 338,293 1,014,880 507,440 253,720 126,860 63,430 31,715 95,146 47,573 142,720 71,360 35,680 17,840 8,920 4,460 2,230 1,115 3,346 1,673 5,020 2,510 1,255 3,766 1,883 5,650 2,825 8,476 4,238 2,119 6,358 3,179 9,538 4,769 14,308 7,154 3,577 10,732 5,366 2,683 8,050 4,025 12,076 6,038 3,019 9,058

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