2² × 3² × 19 × 191

Prime Factor Structure

Factorization String 2^2 × 3^2 × 19 × 191

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 36

Divisor Sum (σ) 349,440

Proper Divisor Sum 218,796

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #130643 ← → #130649

1 2 3 4 6 9 12 18 19 36 38 57 76 114 171 191 228 342 382 573 684 764 1,146 1,719 2,292 3,438 3,629 6,876 7,258 10,887 14,516 21,774 32,661 43,548 65,322 130,644

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

130,644 65,322 32,661 97,984 48,992 24,496 12,248 6,124 3,062 1,531 4,594 2,297 6,892 3,446 1,723 5,170 2,585 7,756 3,878 1,939 5,818 2,909 8,728 4,364 2,182 1,091 3,274 1,637 4,912 2,456 1,228 614 307 922 461 1,384 692 346 173 520 260 130 65 196 98 49 148 74 37 112 56 28 14 7 22 11 34 17 52 26

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