3 × 5 × 41 × 1039

Prime Factor Structure

Factorization String 3 × 5 × 41 × 1039

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,048,320

Proper Divisor Sum 409,335

Digit Sum / Digital Root 39 (Root: 3)

Adjacent Primes #638977 ← → #638993

1 3 5 15 41 123 205 615 1,039 3,117 5,195 15,585 42,599 127,797 212,995 638,985

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

638,985 1,916,956 958,478 479,239 1,437,718 718,859 2,156,578 1,078,289 3,234,868 1,617,434 808,717 2,426,152 1,213,076 606,538 303,269 909,808 454,904 227,452 113,726 56,863 170,590 85,295 255,886 127,943 383,830 191,915 575,746 287,873 863,620 431,810 215,905 647,716 323,858 161,929 485,788 242,894 121,447 364,342 182,171 546,514 273,257 819,772 409,886 204,943 614,830 307,415 922,246 461,123 1,383,370 691,685 2,075,056 1,037,528 518,764 259,382 129,691 389,074 194,537 583,612 291,806 145,903

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