2 × 13 × 61 × 251

Prime Factor Structure

Factorization String 2 × 13 × 61 × 251

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 656,208

Proper Divisor Sum 258,122

Digit Sum / Digital Root 34 (Root: 7)

Adjacent Primes #398077 ← → #398087

1 2 13 26 61 122 251 502 793 1,586 3,263 6,526 15,311 30,622 199,043 398,086

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

398,086 199,043 597,130 298,565 895,696 447,848 223,924 111,962 55,981 167,944 83,972 41,986 20,993 62,980 31,490 15,745 47,236 23,618 11,809 35,428 17,714 8,857 26,572 13,286 6,643 19,930 9,965 29,896 14,948 7,474 3,737 11,212 5,606 2,803 8,410 4,205 12,616 6,308 3,154 1,577 4,732 2,366 1,183 3,550 1,775 5,326 2,663 7,990 3,995 11,986 5,993 17,980 8,990 4,495 13,486 6,743 20,230 10,115 30,346 15,173

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