257 × 859

Prime Factor Structure

Factorization String 257 × 859

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 221,880

Proper Divisor Sum 1,117

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #220757 ← → #220771

1 257 859 220,763

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

220,763 662,290 331,145 993,436 496,718 248,359 745,078 372,539 1,117,618 558,809 1,676,428 838,214 419,107 1,257,322 628,661 1,885,984 942,992 471,496 235,748 117,874 58,937 176,812 88,406 44,203 132,610 66,305 198,916 99,458 49,729 149,188 74,594 37,297 111,892 55,946 27,973 83,920 41,960 20,980 10,490 5,245 15,736 7,868 3,934 1,967 5,902 2,951 8,854 4,427 13,282 6,641 19,924 9,962 4,981 14,944 7,472 3,736 1,868 934 467 1,402

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