3⁷ × 13

Prime Factor Structure

Factorization String 3^7 × 13

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 45,920

Proper Divisor Sum 17,489

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #28429 ← → #28433

1 3 9 13 27 39 81 117 243 351 729 1,053 2,187 3,159 9,477 28,431

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

28,431 85,294 42,647 127,942 63,971 191,914 95,957 287,872 143,936 71,968 35,984 17,992 8,996 4,498 2,249 6,748 3,374 1,687 5,062 2,531 7,594 3,797 11,392 5,696 2,848 1,424 712 356 178 89 268 134 67 202 101 304 152 76 38 19 58 29 88 44 22 11 34 17 52 26 13 40 20 10 5 16 8 4 2 1

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