31² × 139

Prime Factor Structure

Factorization String 31^2 × 139

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 139,020

Proper Divisor Sum 5,441

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #133571 ← → #133583

1 31 139 961 4,309 133,579

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

133,579 400,738 200,369 601,108 300,554 150,277 450,832 225,416 112,708 56,354 28,177 84,532 42,266 21,133 63,400 31,700 15,850 7,925 23,776 11,888 5,944 2,972 1,486 743 2,230 1,115 3,346 1,673 5,020 2,510 1,255 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 2,683 8,050 4,025 12,076 6,038 3,019 9,058 4,529 13,588 6,794 3,397 10,192 5,096

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