2² × 5 × 61 × 71

Prime Factor Structure

Factorization String 2^2 × 5 × 61 × 71

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 187,488

Proper Divisor Sum 100,868

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #86599 ← → #86627

1 2 4 5 10 20 61 71 122 142 244 284 305 355 610 710 1,220 1,420 4,331 8,662 17,324 21,655 43,310 86,620

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

86,620 43,310 21,655 64,966 32,483 97,450 48,725 146,176 73,088 36,544 18,272 9,136 4,568 2,284 1,142 571 1,714 857 2,572 1,286 643 1,930 965 2,896 1,448 724 362 181 544 272 136 68 34 17 52 26 13 40 20 10 5 16 8 4 2 1

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