11² × 19²

Prime Factor Structure

Factorization String 11^2 × 19^2

Distinct Prime Factors 2

Square Status Yes (√43681 = 209)

Abundance Measure Deficient

Analytical Properties

Total Divisors 9

Divisor Sum (σ) 50,673

Proper Divisor Sum 6,992

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #43669 ← → #43691

1 11 19 121 209 361 2,299 3,971 43,681

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

43,681 131,044 65,522 32,761 98,284 49,142 24,571 73,714 36,857 110,572 55,286 27,643 82,930 41,465 124,396 62,198 31,099 93,298 46,649 139,948 69,974 34,987 104,962 52,481 157,444 78,722 39,361 118,084 59,042 29,521 88,564 44,282 22,141 66,424 33,212 16,606 8,303 24,910 12,455 37,366 18,683 56,050 28,025 84,076 42,038 21,019 63,058 31,529 94,588 47,294 23,647 70,942 35,471 106,414 53,207 159,622 79,811 239,434 119,717 359,152

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