7 × 139 × 421

Prime Factor Structure

Factorization String 7 × 139 × 421

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 472,640

Proper Divisor Sum 63,007

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #409609 ← → #409639

1 7 139 421 973 2,947 58,519 409,633

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

409,633 1,228,900 614,450 307,225 921,676 460,838 230,419 691,258 345,629 1,036,888 518,444 259,222 129,611 388,834 194,417 583,252 291,626 145,813 437,440 218,720 109,360 54,680 27,340 13,670 6,835 20,506 10,253 30,760 15,380 7,690 3,845 11,536 5,768 2,884 1,442 721 2,164 1,082 541 1,624 812 406 203 610 305 916 458 229 688 344 172 86 43 130 65 196 98 49 148 74

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