251 × 1321

Prime Factor Structure

Factorization String 251 × 1321

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 333,144

Proper Divisor Sum 1,573

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #331553 ← → #331577

1 251 1,321 331,571

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

331,571 994,714 497,357 1,492,072 746,036 373,018 186,509 559,528 279,764 139,882 69,941 209,824 104,912 52,456 26,228 13,114 6,557 19,672 9,836 4,918 2,459 7,378 3,689 11,068 5,534 2,767 8,302 4,151 12,454 6,227 18,682 9,341 28,024 14,012 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 11,230 5,615 16,846 8,423 25,270 12,635

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