2² × 5 × 7 × 149561

Prime Factor Structure

Factorization String 2^2 × 5 × 7 × 149561

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 50,252,832

Proper Divisor Sum 29,314,292

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #20938537 ← → #20938553

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

20,938,540 10,469,270 5,234,635 15,703,906 7,851,953 23,555,860 11,777,930 5,888,965 17,666,896 8,833,448 4,416,724 2,208,362 1,104,181 3,312,544 1,656,272 828,136 414,068 207,034 103,517 310,552 155,276 77,638 38,819 116,458 58,229 174,688 87,344 43,672 21,836 10,918 5,459 16,378 8,189 24,568 12,284 6,142 3,071 9,214 4,607 13,822 6,911 20,734 10,367 31,102 15,551 46,654 23,327 69,982 34,991 104,974 52,487 157,462 78,731 236,194 118,097 354,292 177,146 88,573 265,720 132,860

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