3 × 257 × 839

Prime Factor Structure

Factorization String 3 × 257 × 839

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 866,880

Proper Divisor Sum 220,011

Digit Sum / Digital Root 39 (Root: 3)

Adjacent Primes #646859 ← → #646873

1 3 257 771 839 2,517 215,623 646,869

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

646,869 1,940,608 970,304 485,152 242,576 121,288 60,644 30,322 15,161 45,484 22,742 11,371 34,114 17,057 51,172 25,586 12,793 38,380 19,190 9,595 28,786 14,393 43,180 21,590 10,795 32,386 16,193 48,580 24,290 12,145 36,436 18,218 9,109 27,328 13,664 6,832 3,416 1,708 854 427 1,282 641 1,924 962 481 1,444 722 361 1,084 542 271 814 407 1,222 611 1,834 917 2,752 1,376 688

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