2⁴ × 7 × 189961

Prime Factor Structure

Factorization String 2^4 × 7 × 189961

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 20

Divisor Sum (σ) 47,110,576

Proper Divisor Sum 25,834,944

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #21275623 ← → #21275651

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

21,275,632 10,637,816 5,318,908 2,659,454 1,329,727 3,989,182 1,994,591 5,983,774 2,991,887 8,975,662 4,487,831 13,463,494 6,731,747 20,195,242 10,097,621 30,292,864 15,146,432 7,573,216 3,786,608 1,893,304 946,652 473,326 236,663 709,990 354,995 1,064,986 532,493 1,597,480 798,740 399,370 199,685 599,056 299,528 149,764 74,882 37,441 112,324 56,162 28,081 84,244 42,122 21,061 63,184 31,592 15,796 7,898 3,949 11,848 5,924 2,962 1,481 4,444 2,222 1,111 3,334 1,667 5,002 2,501 7,504 3,752

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