3 × 13 × 17 × 1811

Prime Factor Structure

Factorization String 3 × 13 × 17 × 1811

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,826,496

Proper Divisor Sum 625,803

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #1200691 ← → #1200697

1 3 13 17 39 51 221 663 1,811 5,433 23,543 30,787 70,629 92,361 400,231 1,200,693

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

1,200,693 3,602,080 1,801,040 900,520 450,260 225,130 112,565 337,696 168,848 84,424 42,212 21,106 10,553 31,660 15,830 7,915 23,746 11,873 35,620 17,810 8,905 26,716 13,358 6,679 20,038 10,019 30,058 15,029 45,088 22,544 11,272 5,636 2,818 1,409 4,228 2,114 1,057 3,172 1,586 793 2,380 1,190 595 1,786 893 2,680 1,340 670 335 1,006 503 1,510 755 2,266 1,133 3,400 1,700 850 425 1,276

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