5 × 31 × 67 × 139

Prime Factor Structure

Factorization String 5 × 31 × 67 × 139

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,827,840

Proper Divisor Sum 384,325

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #1443509 ← → #1443517

1 5 31 67 139 155 335 695 2,077 4,309 9,313 10,385 21,545 46,565 288,703 1,443,515

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

1,443,515 4,330,546 2,165,273 6,495,820 3,247,910 1,623,955 4,871,866 2,435,933 7,307,800 3,653,900 1,826,950 913,475 2,740,426 1,370,213 4,110,640 2,055,320 1,027,660 513,830 256,915 770,746 385,373 1,156,120 578,060 289,030 144,515 433,546 216,773 650,320 325,160 162,580 81,290 40,645 121,936 60,968 30,484 15,242 7,621 22,864 11,432 5,716 2,858 1,429 4,288 2,144 1,072 536 268 134 67 202 101 304 152 76 38 19 58 29 88 44

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