13,638,243

3 × 4546081

13,638,243 factors as 3 × 4546081. Its 4 positive divisors give a proper-divisor sum of 4,546,085, so this integer is deficient. The Collatz stopping time is 86 steps.

Prime Factor Structure

Factorization String 3 × 4546081

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 18,184,328

Proper Divisor Sum 4,546,085

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #13638239 ← → #13638253

Radix Representation

Decimal	13638243
Binary	110100000001101001100011 (24 bits)
Octal	0o64015143
Hexadecimal	0xD01A63

Divisor Catalog (4)

1 3 4,546,081 13,638,243

Collatz Trajectory (86 steps to reach 1)

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

13,638,243 40,914,730 20,457,365 61,372,096 30,686,048 15,343,024 7,671,512 3,835,756 1,917,878 958,939 2,876,818 1,438,409 4,315,228 2,157,614 1,078,807 3,236,422 1,618,211 4,854,634 2,427,317 7,281,952 3,640,976 1,820,488 910,244 455,122 227,561 682,684 341,342 170,671 512,014 256,007 768,022 384,011 1,152,034 576,017 1,728,052 864,026 432,013 1,296,040 648,020 324,010 162,005 486,016 243,008 121,504 60,752 30,376 15,188 7,594 3,797 11,392 5,696 2,848 1,424 712 356 178 89 268 134 67

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