3 × 5 × 19 × 23 × 61

Prime Factor Structure

Factorization String 3 × 5 × 19 × 23 × 61

Distinct Prime Factors 5

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 714,240

Proper Divisor Sum 314,385

Digit Sum / Digital Root 39 (Root: 3)

Adjacent Primes #399853 ← → #399871

1 3 5 15 19 23 57 61 69 95 115 183 285 305 345 437 915 1,159 1,311 1,403 2,185 3,477 4,209 5,795 6,555 7,015 17,385 21,045 26,657 79,971 133,285 399,855

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

399,855 1,199,566 599,783 1,799,350 899,675 2,699,026 1,349,513 4,048,540 2,024,270 1,012,135 3,036,406 1,518,203 4,554,610 2,277,305 6,831,916 3,415,958 1,707,979 5,123,938 2,561,969 7,685,908 3,842,954 1,921,477 5,764,432 2,882,216 1,441,108 720,554 360,277 1,080,832 540,416 270,208 135,104 67,552 33,776 16,888 8,444 4,222 2,111 6,334 3,167 9,502 4,751 14,254 7,127 21,382 10,691 32,074 16,037 48,112 24,056 12,028 6,014 3,007 9,022 4,511 13,534 6,767 20,302 10,151 30,454 15,227

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