3 × 5 × 19 × 2153

Prime Factor Structure

Factorization String 3 × 5 × 19 × 2153

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,033,920

Proper Divisor Sum 420,315

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #613597 ← → #613607

1 3 5 15 19 57 95 285 2,153 6,459 10,765 32,295 40,907 122,721 204,535 613,605

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

613,605 1,840,816 920,408 460,204 230,102 115,051 345,154 172,577 517,732 258,866 129,433 388,300 194,150 97,075 291,226 145,613 436,840 218,420 109,210 54,605 163,816 81,908 40,954 20,477 61,432 30,716 15,358 7,679 23,038 11,519 34,558 17,279 51,838 25,919 77,758 38,879 116,638 58,319 174,958 87,479 262,438 131,219 393,658 196,829 590,488 295,244 147,622 73,811 221,434 110,717 332,152 166,076 83,038 41,519 124,558 62,279 186,838 93,419 280,258 140,129

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