3 × 5 × 7 × 51581

Prime Factor Structure

Factorization String 3 × 5 × 7 × 51581

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 9,903,744

Proper Divisor Sum 4,487,739

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #5415997 ← → #5416009

1 3 5 7 15 21 35 105 51,581 154,743 257,905 361,067 773,715 1,083,201 1,805,335 5,416,005

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

5,416,005 16,248,016 8,124,008 4,062,004 2,031,002 1,015,501 3,046,504 1,523,252 761,626 380,813 1,142,440 571,220 285,610 142,805 428,416 214,208 107,104 53,552 26,776 13,388 6,694 3,347 10,042 5,021 15,064 7,532 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 4,529 13,588 6,794 3,397 10,192 5,096 2,548 1,274 637 1,912 956

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