5,521,458

2 × 3 × 43 × 21401

Starting at 5,521,458, the Collatz iteration reaches 1 after 201 steps. The first transition is 2760729; the starting value is even with 16 positive divisors.

Prime Factor Structure

Factorization String 2 × 3 × 43 × 21401

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 11,300,256

Proper Divisor Sum 5,778,798

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #5521427 ← → #5521463

Radix Representation

Decimal	5521458
Binary	10101000100000000110010 (23 bits)
Octal	0o25040062
Hexadecimal	0x544032

Divisor Catalog (16)

1 2 3 6 43 86 129 258 21,401 42,802 64,203 128,406 920,243 1,840,486 2,760,729 5,521,458

Collatz Trajectory (201 steps to reach 1)

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

5,521,458 2,760,729 8,282,188 4,141,094 2,070,547 6,211,642 3,105,821 9,317,464 4,658,732 2,329,366 1,164,683 3,494,050 1,747,025 5,241,076 2,620,538 1,310,269 3,930,808 1,965,404 982,702 491,351 1,474,054 737,027 2,211,082 1,105,541 3,316,624 1,658,312 829,156 414,578 207,289 621,868 310,934 155,467 466,402 233,201 699,604 349,802 174,901 524,704 262,352 131,176 65,588 32,794 16,397 49,192 24,596 12,298 6,149 18,448 9,224 4,612 2,306 1,153 3,460 1,730 865 2,596 1,298 649 1,948 974

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