31 × 61 × 73

Prime Factor Structure

Factorization String 31 × 61 × 73

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 146,816

Proper Divisor Sum 8,773

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #138041 ← → #138053

1 31 61 73 1,891 2,263 4,453 138,043

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

138,043 414,130 207,065 621,196 310,598 155,299 465,898 232,949 698,848 349,424 174,712 87,356 43,678 21,839 65,518 32,759 98,278 49,139 147,418 73,709 221,128 110,564 55,282 27,641 82,924 41,462 20,731 62,194 31,097 93,292 46,646 23,323 69,970 34,985 104,956 52,478 26,239 78,718 39,359 118,078 59,039 177,118 88,559 265,678 132,839 398,518 199,259 597,778 298,889 896,668 448,334 224,167 672,502 336,251 1,008,754 504,377 1,513,132 756,566 378,283 1,134,850

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