21395513

Prime Factor Structure

Factorization String 21395513

Distinct Prime Factors 1

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 2

Divisor Sum (σ) 21,395,514

Proper Divisor Sum 1

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #21395477 ← → #21395527

1 21,395,513

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

21,395,513 64,186,540 32,093,270 16,046,635 48,139,906 24,069,953 72,209,860 36,104,930 18,052,465 54,157,396 27,078,698 13,539,349 40,618,048 20,309,024 10,154,512 5,077,256 2,538,628 1,269,314 634,657 1,903,972 951,986 475,993 1,427,980 713,990 356,995 1,070,986 535,493 1,606,480 803,240 401,620 200,810 100,405 301,216 150,608 75,304 37,652 18,826 9,413 28,240 14,120 7,060 3,530 1,765 5,296 2,648 1,324 662 331 994 497 1,492 746 373 1,120 560 280 140 70 35 106

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