212161

Prime Factor Structure

Factorization String 212161

Distinct Prime Factors 1

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 2

Divisor Sum (σ) 212,162

Proper Divisor Sum 1

Digit Sum / Digital Root 13 (Root: 4)

Adjacent Primes #212141 ← → #212167

1 212,161

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

212,161 636,484 318,242 159,121 477,364 238,682 119,341 358,024 179,012 89,506 44,753 134,260 67,130 33,565 100,696 50,348 25,174 12,587 37,762 18,881 56,644 28,322 14,161 42,484 21,242 10,621 31,864 15,932 7,966 3,983 11,950 5,975 17,926 8,963 26,890 13,445 40,336 20,168 10,084 5,042 2,521 7,564 3,782 1,891 5,674 2,837 8,512 4,256 2,128 1,064 532 266 133 400 200 100 50 25 76 38

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