3 × 5 × 83 × 173

Prime Factor Structure

Factorization String 3 × 5 × 83 × 173

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 350,784

Proper Divisor Sum 135,399

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #215381 ← → #215389

1 3 5 15 83 173 249 415 519 865 1,245 2,595 14,359 43,077 71,795 215,385

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

215,385 646,156 323,078 161,539 484,618 242,309 726,928 363,464 181,732 90,866 45,433 136,300 68,150 34,075 102,226 51,113 153,340 76,670 38,335 115,006 57,503 172,510 86,255 258,766 129,383 388,150 194,075 582,226 291,113 873,340 436,670 218,335 655,006 327,503 982,510 491,255 1,473,766 736,883 2,210,650 1,105,325 3,315,976 1,657,988 828,994 414,497 1,243,492 621,746 310,873 932,620 466,310 233,155 699,466 349,733 1,049,200 524,600 262,300 131,150 65,575 196,726 98,363 295,090

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