2 × 210257

Prime Factor Structure

Factorization String 2 × 210257

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 630,774

Proper Divisor Sum 210,260

Digit Sum / Digital Root 16 (Root: 7)

Adjacent Primes #420503 ← → #420521

1 2 210,257 420,514

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

420,514 210,257 630,772 315,386 157,693 473,080 236,540 118,270 59,135 177,406 88,703 266,110 133,055 399,166 199,583 598,750 299,375 898,126 449,063 1,347,190 673,595 2,020,786 1,010,393 3,031,180 1,515,590 757,795 2,273,386 1,136,693 3,410,080 1,705,040 852,520 426,260 213,130 106,565 319,696 159,848 79,924 39,962 19,981 59,944 29,972 14,986 7,493 22,480 11,240 5,620 2,810 1,405 4,216 2,108 1,054 527 1,582 791 2,374 1,187 3,562 1,781 5,344 2,672

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