3 × 7 × 11 × 311

Prime Factor Structure

Factorization String 3 × 7 × 11 × 311

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 119,808

Proper Divisor Sum 47,967

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #71837 ← → #71843

1 3 7 11 21 33 77 231 311 933 2,177 3,421 6,531 10,263 23,947 71,841

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

71,841 215,524 107,762 53,881 161,644 80,822 40,411 121,234 60,617 181,852 90,926 45,463 136,390 68,195 204,586 102,293 306,880 153,440 76,720 38,360 19,180 9,590 4,795 14,386 7,193 21,580 10,790 5,395 16,186 8,093 24,280 12,140 6,070 3,035 9,106 4,553 13,660 6,830 3,415 10,246 5,123 15,370 7,685 23,056 11,528 5,764 2,882 1,441 4,324 2,162 1,081 3,244 1,622 811 2,434 1,217 3,652 1,826 913 2,740

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