13 × 31489

Prime Factor Structure

Factorization String 13 × 31489

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 440,860

Proper Divisor Sum 31,503

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #409351 ← → #409369

1 13 31,489 409,357

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

409,357 1,228,072 614,036 307,018 153,509 460,528 230,264 115,132 57,566 28,783 86,350 43,175 129,526 64,763 194,290 97,145 291,436 145,718 72,859 218,578 109,289 327,868 163,934 81,967 245,902 122,951 368,854 184,427 553,282 276,641 829,924 414,962 207,481 622,444 311,222 155,611 466,834 233,417 700,252 350,126 175,063 525,190 262,595 787,786 393,893 1,181,680 590,840 295,420 147,710 73,855 221,566 110,783 332,350 166,175 498,526 249,263 747,790 373,895 1,121,686 560,843

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