13 × 17 × 37 × 89

Prime Factor Structure

Factorization String 13 × 17 × 37 × 89

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 861,840

Proper Divisor Sum 134,087

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #727747 ← → #727759

1 13 17 37 89 221 481 629 1,157 1,513 3,293 8,177 19,669 42,809 55,981 727,753

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

727,753 2,183,260 1,091,630 545,815 1,637,446 818,723 2,456,170 1,228,085 3,684,256 1,842,128 921,064 460,532 230,266 115,133 345,400 172,700 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

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