217121

Prime Factor Structure

Factorization String 217121

Distinct Prime Factors 1

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 2

Divisor Sum (σ) 217,122

Proper Divisor Sum 1

Digit Sum / Digital Root 14 (Root: 5)

Adjacent Primes #217117 ← → #217157

1 217,121

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

217,121 651,364 325,682 162,841 488,524 244,262 122,131 366,394 183,197 549,592 274,796 137,398 68,699 206,098 103,049 309,148 154,574 77,287 231,862 115,931 347,794 173,897 521,692 260,846 130,423 391,270 195,635 586,906 293,453 880,360 440,180 220,090 110,045 330,136 165,068 82,534 41,267 123,802 61,901 185,704 92,852 46,426 23,213 69,640 34,820 17,410 8,705 26,116 13,058 6,529 19,588 9,794 4,897 14,692 7,346 3,673 11,020 5,510 2,755 8,266

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