3² × 7 × 1669

Prime Factor Structure

Factorization String 3^2 × 7 × 1669

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 173,680

Proper Divisor Sum 68,533

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #105143 ← → #105167

1 3 7 9 21 63 1,669 5,007 11,683 15,021 35,049 105,147

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

105,147 315,442 157,721 473,164 236,582 118,291 354,874 177,437 532,312 266,156 133,078 66,539 199,618 99,809 299,428 149,714 74,857 224,572 112,286 56,143 168,430 84,215 252,646 126,323 378,970 189,485 568,456 284,228 142,114 71,057 213,172 106,586 53,293 159,880 79,940 39,970 19,985 59,956 29,978 14,989 44,968 22,484 11,242 5,621 16,864 8,432 4,216 2,108 1,054 527 1,582 791 2,374 1,187 3,562 1,781 5,344 2,672 1,336 668

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