309989

Prime Factor Structure

Factorization String 309989

Distinct Prime Factors 1

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 2

Divisor Sum (σ) 309,990

Proper Divisor Sum 1

Digit Sum / Digital Root 38 (Root: 2)

Adjacent Primes #309977 ← → #310019

1 309,989

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

309,989 929,968 464,984 232,492 116,246 58,123 174,370 87,185 261,556 130,778 65,389 196,168 98,084 49,042 24,521 73,564 36,782 18,391 55,174 27,587 82,762 41,381 124,144 62,072 31,036 15,518 7,759 23,278 11,639 34,918 17,459 52,378 26,189 78,568 39,284 19,642 9,821 29,464 14,732 7,366 3,683 11,050 5,525 16,576 8,288 4,144 2,072 1,036 518 259 778 389 1,168 584 292 146 73 220 110 55

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