3 × 5 × 13² × 157

Prime Factor Structure

Factorization String 3 × 5 × 13^2 × 157

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 693,936

Proper Divisor Sum 295,941

Digit Sum / Digital Root 42 (Root: 6)

Adjacent Primes #397981 ← → #398011

1 3 5 13 15 39 65 157 169 195 471 507 785 845 2,041 2,355 2,535 6,123 10,205 26,533 30,615 79,599 132,665 397,995

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

397,995 1,193,986 596,993 1,790,980 895,490 447,745 1,343,236 671,618 335,809 1,007,428 503,714 251,857 755,572 377,786 188,893 566,680 283,340 141,670 70,835 212,506 106,253 318,760 159,380 79,690 39,845 119,536 59,768 29,884 14,942 7,471 22,414 11,207 33,622 16,811 50,434 25,217 75,652 37,826 18,913 56,740 28,370 14,185 42,556 21,278 10,639 31,918 15,959 47,878 23,939 71,818 35,909 107,728 53,864 26,932 13,466 6,733 20,200 10,100 5,050 2,525

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