521,986

2 × 359 × 727

521,986 is even and not a perfect square. Its factorization is 2 × 359 × 727 and its 8 divisors sum to 786,240.

Prime Factor Structure

Factorization String 2 × 359 × 727

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 786,240

Proper Divisor Sum 264,254

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #521981 ← → #521993

Radix Representation

Decimal	521986
Binary	1111111011100000010 (19 bits)
Octal	0o1773402
Hexadecimal	0x7F702

Divisor Catalog (8)

1 2 359 718 727 1,454 260,993 521,986

Collatz Trajectory (177 steps to reach 1)

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

521,986 260,993 782,980 391,490 195,745 587,236 293,618 146,809 440,428 220,214 110,107 330,322 165,161 495,484 247,742 123,871 371,614 185,807 557,422 278,711 836,134 418,067 1,254,202 627,101 1,881,304 940,652 470,326 235,163 705,490 352,745 1,058,236 529,118 264,559 793,678 396,839 1,190,518 595,259 1,785,778 892,889 2,678,668 1,339,334 669,667 2,009,002 1,004,501 3,013,504 1,506,752 753,376 376,688 188,344 94,172 47,086 23,543 70,630 35,315 105,946 52,973 158,920 79,460 39,730 19,865

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