3 × 5 × 7 × 211

Prime Factor Structure

Factorization String 3 × 5 × 7 × 211

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 40,704

Proper Divisor Sum 18,549

Digit Sum / Digital Root 15 (Root: 6)

Adjacent Primes #22153 ← → #22157

1 3 5 7 15 21 35 105 211 633 1,055 1,477 3,165 4,431 7,385 22,155

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

22,155 66,466 33,233 99,700 49,850 24,925 74,776 37,388 18,694 9,347 28,042 14,021 42,064 21,032 10,516 5,258 2,629 7,888 3,944 1,972 986 493 1,480 740 370 185 556 278 139 418 209 628 314 157 472 236 118 59 178 89 268 134 67 202 101 304 152 76 38 19 58 29 88 44 22 11 34 17 52 26

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