3² × 23 × 31 × 103

Prime Factor Structure

Factorization String 3^2 × 23 × 31 × 103

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 1,038,336

Proper Divisor Sum 377,385

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #660949 ← → #660973

1 3 9 23 31 69 93 103 207 279 309 713 927 2,139 2,369 3,193 6,417 7,107 9,579 21,321 28,737 73,439 220,317 660,951

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

660,951 1,982,854 991,427 2,974,282 1,487,141 4,461,424 2,230,712 1,115,356 557,678 278,839 836,518 418,259 1,254,778 627,389 1,882,168 941,084 470,542 235,271 705,814 352,907 1,058,722 529,361 1,588,084 794,042 397,021 1,191,064 595,532 297,766 148,883 446,650 223,325 669,976 334,988 167,494 83,747 251,242 125,621 376,864 188,432 94,216 47,108 23,554 11,777 35,332 17,666 8,833 26,500 13,250 6,625 19,876 9,938 4,969 14,908 7,454 3,727 11,182 5,591 16,774 8,387 25,162

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