3² × 7 × 37 × 151

Prime Factor Structure

Factorization String 3^2 × 7 × 37 × 151

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 600,704

Proper Divisor Sum 248,723

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #351971 ← → #351991

1 3 7 9 21 37 63 111 151 259 333 453 777 1,057 1,359 2,331 3,171 5,587 9,513 16,761 39,109 50,283 117,327 351,981

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

351,981 1,055,944 527,972 263,986 131,993 395,980 197,990 98,995 296,986 148,493 445,480 222,740 111,370 55,685 167,056 83,528 41,764 20,882 10,441 31,324 15,662 7,831 23,494 11,747 35,242 17,621 52,864 26,432 13,216 6,608 3,304 1,652 826 413 1,240 620 310 155 466 233 700 350 175 526 263 790 395 1,186 593 1,780 890 445 1,336 668 334 167 502 251 754 377

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