131 × 137 × 1237

Prime Factor Structure

Factorization String 131 × 137 × 1237

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 22,551,408

Proper Divisor Sum 350,969

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #22200421 ← → #22200443

1 131 137 1,237 17,947 162,047 169,469 22,200,439

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

22,200,439 66,601,318 33,300,659 99,901,978 49,950,989 149,852,968 74,926,484 37,463,242 18,731,621 56,194,864 28,097,432 14,048,716 7,024,358 3,512,179 10,536,538 5,268,269 15,804,808 7,902,404 3,951,202 1,975,601 5,926,804 2,963,402 1,481,701 4,445,104 2,222,552 1,111,276 555,638 277,819 833,458 416,729 1,250,188 625,094 312,547 937,642 468,821 1,406,464 703,232 351,616 175,808 87,904 43,952 21,976 10,988 5,494 2,747 8,242 4,121 12,364 6,182 3,091 9,274 4,637 13,912 6,956 3,478 1,739 5,218 2,609 7,828 3,914

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