2 × 19 × 97 × 223

Prime Factor Structure

Factorization String 2 × 19 × 97 × 223

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,317,120

Proper Divisor Sum 495,142

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #821971 ← → #821993

1 2 19 38 97 194 223 446 1,843 3,686 4,237 8,474 21,631 43,262 410,989 821,978

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

821,978 410,989 1,232,968 616,484 308,242 154,121 462,364 231,182 115,591 346,774 173,387 520,162 260,081 780,244 390,122 195,061 585,184 292,592 146,296 73,148 36,574 18,287 54,862 27,431 82,294 41,147 123,442 61,721 185,164 92,582 46,291 138,874 69,437 208,312 104,156 52,078 26,039 78,118 39,059 117,178 58,589 175,768 87,884 43,942 21,971 65,914 32,957 98,872 49,436 24,718 12,359 37,078 18,539 55,618 27,809 83,428 41,714 20,857 62,572 31,286

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