3 × 5² × 19 × 197

Prime Factor Structure

Factorization String 3 × 5^2 × 19 × 197

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 491,040

Proper Divisor Sum 210,315

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #280717 ← → #280729

1 3 5 15 19 25 57 75 95 197 285 475 591 985 1,425 2,955 3,743 4,925 11,229 14,775 18,715 56,145 93,575 280,725

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

280,725 842,176 421,088 210,544 105,272 52,636 26,318 13,159 39,478 19,739 59,218 29,609 88,828 44,414 22,207 66,622 33,311 99,934 49,967 149,902 74,951 224,854 112,427 337,282 168,641 505,924 252,962 126,481 379,444 189,722 94,861 284,584 142,292 71,146 35,573 106,720 53,360 26,680 13,340 6,670 3,335 10,006 5,003 15,010 7,505 22,516 11,258 5,629 16,888 8,444 4,222 2,111 6,334 3,167 9,502 4,751 14,254 7,127 21,382 10,691

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