3² × 11 × 23 × 73

Prime Factor Structure

Factorization String 3^2 × 11 × 23 × 73

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 277,056

Proper Divisor Sum 110,835

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #166219 ← → #166237

1 3 9 11 23 33 69 73 99 207 219 253 657 759 803 1,679 2,277 2,409 5,037 7,227 15,111 18,469 55,407 166,221

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

166,221 498,664 249,332 124,666 62,333 187,000 93,500 46,750 23,375 70,126 35,063 105,190 52,595 157,786 78,893 236,680 118,340 59,170 29,585 88,756 44,378 22,189 66,568 33,284 16,642 8,321 24,964 12,482 6,241 18,724 9,362 4,681 14,044 7,022 3,511 10,534 5,267 15,802 7,901 23,704 11,852 5,926 2,963 8,890 4,445 13,336 6,668 3,334 1,667 5,002 2,501 7,504 3,752 1,876 938 469 1,408 704 352 176

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