2³ × 13 × 19421

Prime Factor Structure

Factorization String 2^3 × 13 × 19421

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 4,078,620

Proper Divisor Sum 2,058,836

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #2019769 ← → #2019799

1 2 4 8 13 26 52 104 19,421 38,842 77,684 155,368 252,473 504,946 1,009,892 2,019,784

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

2,019,784 1,009,892 504,946 252,473 757,420 378,710 189,355 568,066 284,033 852,100 426,050 213,025 639,076 319,538 159,769 479,308 239,654 119,827 359,482 179,741 539,224 269,612 134,806 67,403 202,210 101,105 303,316 151,658 75,829 227,488 113,744 56,872 28,436 14,218 7,109 21,328 10,664 5,332 2,666 1,333 4,000 2,000 1,000 500 250 125 376 188 94 47 142 71 214 107 322 161 484 242 121 364

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