2 × 5² × 13 × 419

Prime Factor Structure

Factorization String 2 × 5^2 × 13 × 419

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 546,840

Proper Divisor Sum 274,490

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #272347 ← → #272351

1 2 5 10 13 25 26 50 65 130 325 419 650 838 2,095 4,190 5,447 10,475 10,894 20,950 27,235 54,470 136,175 272,350

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

272,350 136,175 408,526 204,263 612,790 306,395 919,186 459,593 1,378,780 689,390 344,695 1,034,086 517,043 1,551,130 775,565 2,326,696 1,163,348 581,674 290,837 872,512 436,256 218,128 109,064 54,532 27,266 13,633 40,900 20,450 10,225 30,676 15,338 7,669 23,008 11,504 5,752 2,876 1,438 719 2,158 1,079 3,238 1,619 4,858 2,429 7,288 3,644 1,822 911 2,734 1,367 4,102 2,051 6,154 3,077 9,232 4,616 2,308 1,154 577 1,732

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