2² × 7² × 173 × 631

Prime Factor Structure

Factorization String 2^2 × 7^2 × 173 × 631

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 36

Divisor Sum (σ) 43,877,232

Proper Divisor Sum 22,481,284

Digit Sum / Digital Root 41 (Root: 5)

Adjacent Primes #21395947 ← → #21395963

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

21,395,948 10,697,974 5,348,987 16,046,962 8,023,481 24,070,444 12,035,222 6,017,611 18,052,834 9,026,417 27,079,252 13,539,626 6,769,813 20,309,440 10,154,720 5,077,360 2,538,680 1,269,340 634,670 317,335 952,006 476,003 1,428,010 714,005 2,142,016 1,071,008 535,504 267,752 133,876 66,938 33,469 100,408 50,204 25,102 12,551 37,654 18,827 56,482 28,241 84,724 42,362 21,181 63,544 31,772 15,886 7,943 23,830 11,915 35,746 17,873 53,620 26,810 13,405 40,216 20,108 10,054 5,027 15,082 7,541 22,624

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