λ
Math Directory

3,618,442

2 × 1809221
Deficient Even Composite

3,618,442 factors as 2 × 1809221. Its 4 positive divisors give a proper-divisor sum of 1,809,224, so this integer is deficient. The Collatz stopping time is 172 steps.

Prime Factor Structure

Factorization String 2 × 1809221
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 5,427,666
Proper Divisor Sum 1,809,224
Digit Sum / Digital Root 28 (Root: 1)
Adjacent Primes #3618421 ← → #3618443

Radix Representation

Decimal 3618442
Binary 1101110011011010001010 (22 bits)
Octal 0o15633212
Hexadecimal 0x37368A

Divisor Catalog (4)

1 2 1,809,221 3,618,442

Collatz Trajectory (172 steps to reach 1)

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

3,618,442 1,809,221 5,427,664 2,713,832 1,356,916 678,458 339,229 1,017,688 508,844 254,422 127,211 381,634 190,817 572,452 286,226 143,113 429,340 214,670 107,335 322,006 161,003 483,010 241,505 724,516 362,258 181,129 543,388 271,694 135,847 407,542 203,771 611,314 305,657 916,972 458,486 229,243 687,730 343,865 1,031,596 515,798 257,899 773,698 386,849 1,160,548 580,274 290,137 870,412 435,206 217,603 652,810 326,405 979,216 489,608 244,804 122,402 61,201 183,604 91,802 45,901 137,704

More profiles

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