2 × 5² × 89²

Prime Factor Structure

Factorization String 2 × 5^2 × 89^2

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 745,023

Proper Divisor Sum 348,973

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #396043 ← → #396061

1 2 5 10 25 50 89 178 445 890 2,225 4,450 7,921 15,842 39,605 79,210 198,025 396,050

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

396,050 198,025 594,076 297,038 148,519 445,558 222,779 668,338 334,169 1,002,508 501,254 250,627 751,882 375,941 1,127,824 563,912 281,956 140,978 70,489 211,468 105,734 52,867 158,602 79,301 237,904 118,952 59,476 29,738 14,869 44,608 22,304 11,152 5,576 2,788 1,394 697 2,092 1,046 523 1,570 785 2,356 1,178 589 1,768 884 442 221 664 332 166 83 250 125 376 188 94 47 142 71

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