2² × 7 × 11 × 691

Prime Factor Structure

Factorization String 2^2 × 7 × 11 × 691

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 465,024

Proper Divisor Sum 252,196

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #212827 ← → #212837

1 2 4 7 11 14 22 28 44 77 154 308 691 1,382 2,764 4,837 7,601 9,674 15,202 19,348 30,404 53,207 106,414 212,828

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

212,828 106,414 53,207 159,622 79,811 239,434 119,717 359,152 179,576 89,788 44,894 22,447 67,342 33,671 101,014 50,507 151,522 75,761 227,284 113,642 56,821 170,464 85,232 42,616 21,308 10,654 5,327 15,982 7,991 23,974 11,987 35,962 17,981 53,944 26,972 13,486 6,743 20,230 10,115 30,346 15,173 45,520 22,760 11,380 5,690 2,845 8,536 4,268 2,134 1,067 3,202 1,601 4,804 2,402 1,201 3,604 1,802 901 2,704 1,352

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