5,320,221

3 × 1773407

Starting at 5,320,221, the Collatz iteration reaches 1 after 82 steps. The first transition is 15960664; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 3 × 1773407

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 7,093,632

Proper Divisor Sum 1,773,411

Digit Sum / Digital Root 15 (Root: 6)

Adjacent Primes #5320213 ← → #5320223

Radix Representation

Decimal	5320221
Binary	10100010010111000011101 (23 bits)
Octal	0o24227035
Hexadecimal	0x512E1D

Divisor Catalog (4)

1 3 1,773,407 5,320,221

Collatz Trajectory (82 steps to reach 1)

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

5,320,221 15,960,664 7,980,332 3,990,166 1,995,083 5,985,250 2,992,625 8,977,876 4,488,938 2,244,469 6,733,408 3,366,704 1,683,352 841,676 420,838 210,419 631,258 315,629 946,888 473,444 236,722 118,361 355,084 177,542 88,771 266,314 133,157 399,472 199,736 99,868 49,934 24,967 74,902 37,451 112,354 56,177 168,532 84,266 42,133 126,400 63,200 31,600 15,800 7,900 3,950 1,975 5,926 2,963 8,890 4,445 13,336 6,668 3,334 1,667 5,002 2,501 7,504 3,752 1,876 938

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