2² × 5 × 13 × 17 × 29

Prime Factor Structure

Factorization String 2^2 × 5 × 13 × 17 × 29

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 48

Divisor Sum (σ) 317,520

Proper Divisor Sum 189,340

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #128173 ← → #128189

1 2 4 5 10 13 17 20 26 29 34 52 58 65 68 85 116 130 145 170 221 260 290 340 377 442 493 580 754 884 986 1,105 1,508 1,885 1,972 2,210 2,465 3,770 4,420 4,930 6,409 7,540 9,860 12,818 25,636 32,045 64,090 128,180

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

128,180 64,090 32,045 96,136 48,068 24,034 12,017 36,052 18,026 9,013 27,040 13,520 6,760 3,380 1,690 845 2,536 1,268 634 317 952 476 238 119 358 179 538 269 808 404 202 101 304 152 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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