2 × 3 × 5 × 13 × 31 × 1663

Prime Factor Structure

Factorization String 2 × 3 × 5 × 13 × 31 × 1663

Distinct Prime Factors 6

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 64

Divisor Sum (σ) 53,673,984

Proper Divisor Sum 33,568,314

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #20105669 ← → #20105677

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

20,105,670 10,052,835 30,158,506 15,079,253 45,237,760 22,618,880 11,309,440 5,654,720 2,827,360 1,413,680 706,840 353,420 176,710 88,355 265,066 132,533 397,600 198,800 99,400 49,700 24,850 12,425 37,276 18,638 9,319 27,958 13,979 41,938 20,969 62,908 31,454 15,727 47,182 23,591 70,774 35,387 106,162 53,081 159,244 79,622 39,811 119,434 59,717 179,152 89,576 44,788 22,394 11,197 33,592 16,796 8,398 4,199 12,598 6,299 18,898 9,449 28,348 14,174 7,087 21,262

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