521 × 3121

Prime Factor Structure

Factorization String 521 × 3121

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 1,629,684

Proper Divisor Sum 3,643

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #1626017 ← → #1626047

1 521 3,121 1,626,041

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

1,626,041 4,878,124 2,439,062 1,219,531 3,658,594 1,829,297 5,487,892 2,743,946 1,371,973 4,115,920 2,057,960 1,028,980 514,490 257,245 771,736 385,868 192,934 96,467 289,402 144,701 434,104 217,052 108,526 54,263 162,790 81,395 244,186 122,093 366,280 183,140 91,570 45,785 137,356 68,678 34,339 103,018 51,509 154,528 77,264 38,632 19,316 9,658 4,829 14,488 7,244 3,622 1,811 5,434 2,717 8,152 4,076 2,038 1,019 3,058 1,529 4,588 2,294 1,147 3,442 1,721

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