520,494

2 × 3 × 13 × 6673

Prime Factor Structure

Factorization String 2 × 3 × 13 × 6673

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Total Divisors 16

Divisor Sum (σ) 1,121,232

Proper Divisor Sum 600,738

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #520451 ← → #520529

1 2 3 6 13 26 39 78 6,673 13,346 20,019 40,038 86,749 173,498 260,247 520,494

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

520,494 260,247 780,742 390,371 1,171,114 585,557 1,756,672 878,336 439,168 219,584 109,792 54,896 27,448 13,724 6,862 3,431 10,294 5,147 15,442 7,721 23,164 11,582 5,791 17,374 8,687 26,062 13,031 39,094 19,547 58,642 29,321 87,964 43,982 21,991 65,974 32,987 98,962 49,481 148,444 74,222 37,111 111,334 55,667 167,002 83,501 250,504 125,252 62,626 31,313 93,940 46,970 23,485 70,456 35,228 17,614 8,807 26,422 13,211 39,634 19,817

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