2 × 5² × 13 × 211

Prime Factor Structure

Factorization String 2 × 5^2 × 13 × 211

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 276,024

Proper Divisor Sum 138,874

Digit Sum / Digital Root 17 (Root: 8)

Adjacent Primes #137147 ← → #137153

1 2 5 10 13 25 26 50 65 130 211 325 422 650 1,055 2,110 2,743 5,275 5,486 10,550 13,715 27,430 68,575 137,150

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

137,150 68,575 205,726 102,863 308,590 154,295 462,886 231,443 694,330 347,165 1,041,496 520,748 260,374 130,187 390,562 195,281 585,844 292,922 146,461 439,384 219,692 109,846 54,923 164,770 82,385 247,156 123,578 61,789 185,368 92,684 46,342 23,171 69,514 34,757 104,272 52,136 26,068 13,034 6,517 19,552 9,776 4,888 2,444 1,222 611 1,834 917 2,752 1,376 688 344 172 86 43 130 65 196 98 49 148

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