2² × 5 × 31 × 199

Prime Factor Structure

Factorization String 2^2 × 5 × 31 × 199

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 268,800

Proper Divisor Sum 145,420

Digit Sum / Digital Root 17 (Root: 8)

Adjacent Primes #123379 ← → #123397

1 2 4 5 10 20 31 62 124 155 199 310 398 620 796 995 1,990 3,980 6,169 12,338 24,676 30,845 61,690 123,380

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

123,380 61,690 30,845 92,536 46,268 23,134 11,567 34,702 17,351 52,054 26,027 78,082 39,041 117,124 58,562 29,281 87,844 43,922 21,961 65,884 32,942 16,471 49,414 24,707 74,122 37,061 111,184 55,592 27,796 13,898 6,949 20,848 10,424 5,212 2,606 1,303 3,910 1,955 5,866 2,933 8,800 4,400 2,200 1,100 550 275 826 413 1,240 620 310 155 466 233 700 350 175 526 263 790

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