139² × 409

Prime Factor Structure

Factorization String 139^2 × 409

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 7,979,010

Proper Divisor Sum 76,721

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #7902287 ← → #7902329

1 139 409 19,321 56,851 7,902,289

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

7,902,289 23,706,868 11,853,434 5,926,717 17,780,152 8,890,076 4,445,038 2,222,519 6,667,558 3,333,779 10,001,338 5,000,669 15,002,008 7,501,004 3,750,502 1,875,251 5,625,754 2,812,877 8,438,632 4,219,316 2,109,658 1,054,829 3,164,488 1,582,244 791,122 395,561 1,186,684 593,342 296,671 890,014 445,007 1,335,022 667,511 2,002,534 1,001,267 3,003,802 1,501,901 4,505,704 2,252,852 1,126,426 563,213 1,689,640 844,820 422,410 211,205 633,616 316,808 158,404 79,202 39,601 118,804 59,402 29,701 89,104 44,552 22,276 11,138 5,569 16,708 8,354

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