2² × 53 × 103

Prime Factor Structure

Factorization String 2^2 × 53 × 103

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 39,312

Proper Divisor Sum 17,476

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #21821 ← → #21839

1 2 4 53 103 106 206 212 412 5,459 10,918 21,836

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

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 66,430 33,215 99,646 49,823 149,470 74,735 224,206 112,103 336,310 168,155 504,466 252,233 756,700 378,350 189,175 567,526 283,763 851,290 425,645 1,276,936 638,468 319,234 159,617 478,852 239,426 119,713 359,140 179,570

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