421²

Prime Factor Structure

Factorization String 421^2

Distinct Prime Factors 1

Square Status Yes (√177241 = 421)

Abundance Measure Deficient

Analytical Properties

Total Divisors 3

Divisor Sum (σ) 177,663

Proper Divisor Sum 422

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #177239 ← → #177257

1 421 177,241

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

177,241 531,724 265,862 132,931 398,794 199,397 598,192 299,096 149,548 74,774 37,387 112,162 56,081 168,244 84,122 42,061 126,184 63,092 31,546 15,773 47,320 23,660 11,830 5,915 17,746 8,873 26,620 13,310 6,655 19,966 9,983 29,950 14,975 44,926 22,463 67,390 33,695 101,086 50,543 151,630 75,815 227,446 113,723 341,170 170,585 511,756 255,878 127,939 383,818 191,909 575,728 287,864 143,932 71,966 35,983 107,950 53,975 161,926 80,963 242,890

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