18,201,627

3² × 2022403

18,201,627 factors as 3^2 × 2022403. Its 6 positive divisors give a proper-divisor sum of 8,089,625, so this integer is deficient. The Collatz stopping time is 226 steps.

Prime Factor Structure

Factorization String 3^2 × 2022403

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 26,291,252

Proper Divisor Sum 8,089,625

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #18201587 ← → #18201629

Radix Representation

Decimal	18201627
Binary	1000101011011110000011011 (25 bits)
Octal	0o105336033
Hexadecimal	0x115BC1B

Divisor Catalog (6)

1 3 9 2,022,403 6,067,209 18,201,627

Collatz Trajectory (226 steps to reach 1)

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

18,201,627 54,604,882 27,302,441 81,907,324 40,953,662 20,476,831 61,430,494 30,715,247 92,145,742 46,072,871 138,218,614 69,109,307 207,327,922 103,663,961 310,991,884 155,495,942 77,747,971 233,243,914 116,621,957 349,865,872 174,932,936 87,466,468 43,733,234 21,866,617 65,599,852 32,799,926 16,399,963 49,199,890 24,599,945 73,799,836 36,899,918 18,449,959 55,349,878 27,674,939 83,024,818 41,512,409 124,537,228 62,268,614 31,134,307 93,402,922 46,701,461 140,104,384 70,052,192 35,026,096 17,513,048 8,756,524 4,378,262 2,189,131 6,567,394 3,283,697 9,851,092 4,925,546 2,462,773 7,388,320 3,694,160 1,847,080 923,540 461,770 230,885 692,656

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