2 × 5 × 13 × 29 × 37

Prime Factor Structure

Factorization String 2 × 5 × 13 × 29 × 37

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 287,280

Proper Divisor Sum 147,790

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #139487 ← → #139493

1 2 5 10 13 26 29 37 58 65 74 130 145 185 290 370 377 481 754 962 1,073 1,885 2,146 2,405 3,770 4,810 5,365 10,730 13,949 27,898 69,745 139,490

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

139,490 69,745 209,236 104,618 52,309 156,928 78,464 39,232 19,616 9,808 4,904 2,452 1,226 613 1,840 920 460 230 115 346 173 520 260 130 65 196 98 49 148 74 37 112 56 28 14 7 22 11 34 17 52 26 13 40 20 10 5 16 8 4 2 1

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