21223957

Prime Factor Structure

Factorization String 21223957

Distinct Prime Factors 1

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 2

Divisor Sum (σ) 21,223,958

Proper Divisor Sum 1

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #21223927 ← → #21223981

1 21,223,957

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

21,223,957 63,671,872 31,835,936 15,917,968 7,958,984 3,979,492 1,989,746 994,873 2,984,620 1,492,310 746,155 2,238,466 1,119,233 3,357,700 1,678,850 839,425 2,518,276 1,259,138 629,569 1,888,708 944,354 472,177 1,416,532 708,266 354,133 1,062,400 531,200 265,600 132,800 66,400 33,200 16,600 8,300 4,150 2,075 6,226 3,113 9,340 4,670 2,335 7,006 3,503 10,510 5,255 15,766 7,883 23,650 11,825 35,476 17,738 8,869 26,608 13,304 6,652 3,326 1,663 4,990 2,495 7,486 3,743

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