3 × 5 × 31 × 821

Prime Factor Structure

Factorization String 3 × 5 × 31 × 821

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 631,296

Proper Divisor Sum 249,531

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #381761 ← → #381791

1 3 5 15 31 93 155 465 821 2,463 4,105 12,315 25,451 76,353 127,255 381,765

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

381,765 1,145,296 572,648 286,324 143,162 71,581 214,744 107,372 53,686 26,843 80,530 40,265 120,796 60,398 30,199 90,598 45,299 135,898 67,949 203,848 101,924 50,962 25,481 76,444 38,222 19,111 57,334 28,667 86,002 43,001 129,004 64,502 32,251 96,754 48,377 145,132 72,566 36,283 108,850 54,425 163,276 81,638 40,819 122,458 61,229 183,688 91,844 45,922 22,961 68,884 34,442 17,221 51,664 25,832 12,916 6,458 3,229 9,688 4,844 2,422

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