315,972

2² × 3² × 67 × 131

Prime Factor Structure

Factorization String 2^2 × 3^2 × 67 × 131

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Total Divisors 36

Divisor Sum (σ) 816,816

Proper Divisor Sum 500,844

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #315967 ← → #315977

1 2 3 4 6 9 12 18 36 67 131 134 201 262 268 393 402 524 603 786 804 1,179 1,206 1,572 2,358 2,412 4,716 8,777 17,554 26,331 35,108 52,662 78,993 105,324 157,986 315,972

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

315,972 157,986 78,993 236,980 118,490 59,245 177,736 88,868 44,434 22,217 66,652 33,326 16,663 49,990 24,995 74,986 37,493 112,480 56,240 28,120 14,060 7,030 3,515 10,546 5,273 15,820 7,910 3,955 11,866 5,933 17,800 8,900 4,450 2,225 6,676 3,338 1,669 5,008 2,504 1,252 626 313 940 470 235 706 353 1,060 530 265 796 398 199 598 299 898 449 1,348 674 337

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