5 × 13 × 139 × 257

Prime Factor Structure

Factorization String 5 × 13 × 139 × 257

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 3,034,080

Proper Divisor Sum 712,085

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #2321989 ← → #2321999

1 5 13 65 139 257 695 1,285 1,807 3,341 9,035 16,705 35,723 178,615 464,399 2,321,995

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

2,321,995 6,965,986 3,482,993 10,448,980 5,224,490 2,612,245 7,836,736 3,918,368 1,959,184 979,592 489,796 244,898 122,449 367,348 183,674 91,837 275,512 137,756 68,878 34,439 103,318 51,659 154,978 77,489 232,468 116,234 58,117 174,352 87,176 43,588 21,794 10,897 32,692 16,346 8,173 24,520 12,260 6,130 3,065 9,196 4,598 2,299 6,898 3,449 10,348 5,174 2,587 7,762 3,881 11,644 5,822 2,911 8,734 4,367 13,102 6,551 19,654 9,827 29,482 14,741

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