2 × 7² × 11 × 19²

Prime Factor Structure

Factorization String 2 × 7^2 × 11 × 19^2

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 36

Divisor Sum (σ) 781,812

Proper Divisor Sum 392,654

Digit Sum / Digital Root 34 (Root: 7)

Adjacent Primes #389149 ← → #389161

1 2 7 11 14 19 22 38 49 77 98 133 154 209 266 361 418 539 722 931 1,078 1,463 1,862 2,527 2,926 3,971 5,054 7,942 10,241 17,689 20,482 27,797 35,378 55,594 194,579 389,158

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

389,158 194,579 583,738 291,869 875,608 437,804 218,902 109,451 328,354 164,177 492,532 246,266 123,133 369,400 184,700 92,350 46,175 138,526 69,263 207,790 103,895 311,686 155,843 467,530 233,765 701,296 350,648 175,324 87,662 43,831 131,494 65,747 197,242 98,621 295,864 147,932 73,966 36,983 110,950 55,475 166,426 83,213 249,640 124,820 62,410 31,205 93,616 46,808 23,404 11,702 5,851 17,554 8,777 26,332 13,166 6,583 19,750 9,875 29,626 14,813

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