3 × 17 × 31 × 89

Prime Factor Structure

Factorization String 3 × 17 × 31 × 89

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 207,360

Proper Divisor Sum 66,651

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #140689 ← → #140717

1 3 17 31 51 89 93 267 527 1,513 1,581 2,759 4,539 8,277 46,903 140,709

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

140,709 422,128 211,064 105,532 52,766 26,383 79,150 39,575 118,726 59,363 178,090 89,045 267,136 133,568 66,784 33,392 16,696 8,348 4,174 2,087 6,262 3,131 9,394 4,697 14,092 7,046 3,523 10,570 5,285 15,856 7,928 3,964 1,982 991 2,974 1,487 4,462 2,231 6,694 3,347 10,042 5,021 15,064 7,532 3,766 1,883 5,650 2,825 8,476 4,238 2,119 6,358 3,179 9,538 4,769 14,308 7,154 3,577 10,732 5,366

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