7² × 13 × 613

Prime Factor Structure

Factorization String 7^2 × 13 × 613

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 489,972

Proper Divisor Sum 99,491

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #390479 ← → #390487

1 7 13 49 91 613 637 4,291 7,969 30,037 55,783 390,481

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

390,481 1,171,444 585,722 292,861 878,584 439,292 219,646 109,823 329,470 164,735 494,206 247,103 741,310 370,655 1,111,966 555,983 1,667,950 833,975 2,501,926 1,250,963 3,752,890 1,876,445 5,629,336 2,814,668 1,407,334 703,667 2,111,002 1,055,501 3,166,504 1,583,252 791,626 395,813 1,187,440 593,720 296,860 148,430 74,215 222,646 111,323 333,970 166,985 500,956 250,478 125,239 375,718 187,859 563,578 281,789 845,368 422,684 211,342 105,671 317,014 158,507 475,522 237,761 713,284 356,642 178,321 534,964

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