13 × 20021

Prime Factor Structure

Factorization String 13 × 20021

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 280,308

Proper Divisor Sum 20,035

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #260269 ← → #260317

1 13 20,021 260,273

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

260,273 780,820 390,410 195,205 585,616 292,808 146,404 73,202 36,601 109,804 54,902 27,451 82,354 41,177 123,532 61,766 30,883 92,650 46,325 138,976 69,488 34,744 17,372 8,686 4,343 13,030 6,515 19,546 9,773 29,320 14,660 7,330 3,665 10,996 5,498 2,749 8,248 4,124 2,062 1,031 3,094 1,547 4,642 2,321 6,964 3,482 1,741 5,224 2,612 1,306 653 1,960 980 490 245 736 368 184 92 46

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