4,021,178

2 × 7 × 349 × 823

Prime Factor Structure

Factorization String 2 × 7 × 349 × 823

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 16

Divisor Sum (σ) 6,921,600

Proper Divisor Sum 2,900,422

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #4021177 ← → #4021183

1 2 7 14 349 698 823 1,646 2,443 4,886 5,761 11,522 287,227 574,454 2,010,589 4,021,178

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

4,021,178 2,010,589 6,031,768 3,015,884 1,507,942 753,971 2,261,914 1,130,957 3,392,872 1,696,436 848,218 424,109 1,272,328 636,164 318,082 159,041 477,124 238,562 119,281 357,844 178,922 89,461 268,384 134,192 67,096 33,548 16,774 8,387 25,162 12,581 37,744 18,872 9,436 4,718 2,359 7,078 3,539 10,618 5,309 15,928 7,964 3,982 1,991 5,974 2,987 8,962 4,481 13,444 6,722 3,361 10,084 5,042 2,521 7,564 3,782 1,891 5,674 2,837 8,512 4,256

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