λ
Sequence Observatory

4,220,482

2 × 7 × 301463
Deficient Even Composite

Starting at 4,220,482, the Collatz iteration reaches 1 after 167 steps. The first transition is 2110241; the starting value is even with 8 positive divisors.

Prime Factor Structure

Factorization String 2 × 7 × 301463
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 7,235,136
Proper Divisor Sum 3,014,654
Digit Sum / Digital Root 22 (Root: 4)
Adjacent Primes #4220473 ← → #4220483

Radix Representation

Decimal 4220482
Binary 10000000110011001000010 (23 bits)
Octal 0o20063102
Hexadecimal 0x406642

Divisor Catalog (8)

1 2 7 14 301,463 602,926 2,110,241 4,220,482

Collatz Trajectory (167 steps to reach 1)

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

4,220,482 2,110,241 6,330,724 3,165,362 1,582,681 4,748,044 2,374,022 1,187,011 3,561,034 1,780,517 5,341,552 2,670,776 1,335,388 667,694 333,847 1,001,542 500,771 1,502,314 751,157 2,253,472 1,126,736 563,368 281,684 140,842 70,421 211,264 105,632 52,816 26,408 13,204 6,602 3,301 9,904 4,952 2,476 1,238 619 1,858 929 2,788 1,394 697 2,092 1,046 523 1,570 785 2,356 1,178 589 1,768 884 442 221 664 332 166 83 250 125

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