2 × 13² × 859

Prime Factor Structure

Factorization String 2 × 13^2 × 859

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 472,140

Proper Divisor Sum 181,798

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #290327 ← → #290347

1 2 13 26 169 338 859 1,718 11,167 22,334 145,171 290,342

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

290,342 145,171 435,514 217,757 653,272 326,636 163,318 81,659 244,978 122,489 367,468 183,734 91,867 275,602 137,801 413,404 206,702 103,351 310,054 155,027 465,082 232,541 697,624 348,812 174,406 87,203 261,610 130,805 392,416 196,208 98,104 49,052 24,526 12,263 36,790 18,395 55,186 27,593 82,780 41,390 20,695 62,086 31,043 93,130 46,565 139,696 69,848 34,924 17,462 8,731 26,194 13,097 39,292 19,646 9,823 29,470 14,735 44,206 22,103 66,310

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