5² × 157 × 163

Prime Factor Structure

Factorization String 5^2 × 157 × 163

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 803,272

Proper Divisor Sum 163,497

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #639757 ← → #639833

1 5 25 157 163 785 815 3,925 4,075 25,591 127,955 639,775

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

639,775 1,919,326 959,663 2,878,990 1,439,495 4,318,486 2,159,243 6,477,730 3,238,865 9,716,596 4,858,298 2,429,149 7,287,448 3,643,724 1,821,862 910,931 2,732,794 1,366,397 4,099,192 2,049,596 1,024,798 512,399 1,537,198 768,599 2,305,798 1,152,899 3,458,698 1,729,349 5,188,048 2,594,024 1,297,012 648,506 324,253 972,760 486,380 243,190 121,595 364,786 182,393 547,180 273,590 136,795 410,386 205,193 615,580 307,790 153,895 461,686 230,843 692,530 346,265 1,038,796 519,398 259,699 779,098 389,549 1,168,648 584,324 292,162 146,081

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