398,161

631²

Prime Factor Structure

Factorization String 631^2

Distinct Prime Factors 1

Square Status Yes (√398161 = 631)

Abundance Measure Deficient

Total Divisors 3

Divisor Sum (σ) 398,793

Proper Divisor Sum 632

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #398149 ← → #398171

1 631 398,161

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

398,161 1,194,484 597,242 298,621 895,864 447,932 223,966 111,983 335,950 167,975 503,926 251,963 755,890 377,945 1,133,836 566,918 283,459 850,378 425,189 1,275,568 637,784 318,892 159,446 79,723 239,170 119,585 358,756 179,378 89,689 269,068 134,534 67,267 201,802 100,901 302,704 151,352 75,676 37,838 18,919 56,758 28,379 85,138 42,569 127,708 63,854 31,927 95,782 47,891 143,674 71,837 215,512 107,756 53,878 26,939 80,818 40,409 121,228 60,614 30,307 90,922

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