2² × 5² × 2131

Prime Factor Structure

Factorization String 2^2 × 5^2 × 2131

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 462,644

Proper Divisor Sum 249,544

Digit Sum / Digital Root 7 (Root: 7)

Adjacent Primes #213097 ← → #213119

1 2 4 5 10 20 25 50 100 2,131 4,262 8,524 10,655 21,310 42,620 53,275 106,550 213,100

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

213,100 106,550 53,275 159,826 79,913 239,740 119,870 59,935 179,806 89,903 269,710 134,855 404,566 202,283 606,850 303,425 910,276 455,138 227,569 682,708 341,354 170,677 512,032 256,016 128,008 64,004 32,002 16,001 48,004 24,002 12,001 36,004 18,002 9,001 27,004 13,502 6,751 20,254 10,127 30,382 15,191 45,574 22,787 68,362 34,181 102,544 51,272 25,636 12,818 6,409 19,228 9,614 4,807 14,422 7,211 21,634 10,817 32,452 16,226 8,113

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