821,844

2² × 3² × 37 × 617

Prime Factor Structure

Factorization String 2^2 × 3^2 × 37 × 617

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Total Divisors 36

Divisor Sum (σ) 2,137,044

Proper Divisor Sum 1,315,200

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #821833 ← → #821851

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

821,844 410,922 205,461 616,384 308,192 154,096 77,048 38,524 19,262 9,631 28,894 14,447 43,342 21,671 65,014 32,507 97,522 48,761 146,284 73,142 36,571 109,714 54,857 164,572 82,286 41,143 123,430 61,715 185,146 92,573 277,720 138,860 69,430 34,715 104,146 52,073 156,220 78,110 39,055 117,166 58,583 175,750 87,875 263,626 131,813 395,440 197,720 98,860 49,430 24,715 74,146 37,073 111,220 55,610 27,805 83,416 41,708 20,854 10,427 31,282

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