7 × 13 × 31 × 103

Prime Factor Structure

Factorization String 7 × 13 × 31 × 103

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 372,736

Proper Divisor Sum 82,173

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #290557 ← → #290593

1 7 13 31 91 103 217 403 721 1,339 2,821 3,193 9,373 22,351 41,509 290,563

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

290,563 871,690 435,845 1,307,536 653,768 326,884 163,442 81,721 245,164 122,582 61,291 183,874 91,937 275,812 137,906 68,953 206,860 103,430 51,715 155,146 77,573 232,720 116,360 58,180 29,090 14,545 43,636 21,818 10,909 32,728 16,364 8,182 4,091 12,274 6,137 18,412 9,206 4,603 13,810 6,905 20,716 10,358 5,179 15,538 7,769 23,308 11,654 5,827 17,482 8,741 26,224 13,112 6,556 3,278 1,639 4,918 2,459 7,378 3,689 11,068

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