2³ × 5² × 1091

Prime Factor Structure

Factorization String 2^3 × 5^2 × 1091

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 507,780

Proper Divisor Sum 289,580

Digit Sum / Digital Root 13 (Root: 4)

Adjacent Primes #218191 ← → #218213

1 2 4 5 8 10 20 25 40 50 100 200 1,091 2,182 4,364 5,455 8,728 10,910 21,820 27,275 43,640 54,550 109,100 218,200

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

218,200 109,100 54,550 27,275 81,826 40,913 122,740 61,370 30,685 92,056 46,028 23,014 11,507 34,522 17,261 51,784 25,892 12,946 6,473 19,420 9,710 4,855 14,566 7,283 21,850 10,925 32,776 16,388 8,194 4,097 12,292 6,146 3,073 9,220 4,610 2,305 6,916 3,458 1,729 5,188 2,594 1,297 3,892 1,946 973 2,920 1,460 730 365 1,096 548 274 137 412 206 103 310 155 466 233

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