3 × 7 × 131 × 149

Prime Factor Structure

Factorization String 3 × 7 × 131 × 149

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 633,600

Proper Divisor Sum 223,701

Digit Sum / Digital Root 39 (Root: 3)

Adjacent Primes #409897 ← → #409901

1 3 7 21 131 149 393 447 917 1,043 2,751 3,129 19,519 58,557 136,633 409,899

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

409,899 1,229,698 614,849 1,844,548 922,274 461,137 1,383,412 691,706 345,853 1,037,560 518,780 259,390 129,695 389,086 194,543 583,630 291,815 875,446 437,723 1,313,170 656,585 1,969,756 984,878 492,439 1,477,318 738,659 2,215,978 1,107,989 3,323,968 1,661,984 830,992 415,496 207,748 103,874 51,937 155,812 77,906 38,953 116,860 58,430 29,215 87,646 43,823 131,470 65,735 197,206 98,603 295,810 147,905 443,716 221,858 110,929 332,788 166,394 83,197 249,592 124,796 62,398 31,199 93,598

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