991 × 1979

Prime Factor Structure

Factorization String 991 × 1979

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 1,964,160

Proper Divisor Sum 2,971

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #1961173 ← → #1961213

1 991 1,979 1,961,189

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

1,961,189 5,883,568 2,941,784 1,470,892 735,446 367,723 1,103,170 551,585 1,654,756 827,378 413,689 1,241,068 620,534 310,267 930,802 465,401 1,396,204 698,102 349,051 1,047,154 523,577 1,570,732 785,366 392,683 1,178,050 589,025 1,767,076 883,538 441,769 1,325,308 662,654 331,327 993,982 496,991 1,490,974 745,487 2,236,462 1,118,231 3,354,694 1,677,347 5,032,042 2,516,021 7,548,064 3,774,032 1,887,016 943,508 471,754 235,877 707,632 353,816 176,908 88,454 44,227 132,682 66,341 199,024 99,512 49,756 24,878 12,439

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