12,045,005

5 × 7 × 29 × 11867

12,045,005 factors as 5 × 7 × 29 × 11867. Its 16 positive divisors give a proper-divisor sum of 5,044,915, so this integer is deficient. The Collatz stopping time is 197 steps.

Prime Factor Structure

Factorization String 5 × 7 × 29 × 11867

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 17,089,920

Proper Divisor Sum 5,044,915

Digit Sum / Digital Root 17 (Root: 8)

Adjacent Primes #12045001 ← → #12045023

Radix Representation

Decimal	12045005
Binary	101101111100101011001101 (24 bits)
Octal	0o55745315
Hexadecimal	0xB7CACD

Divisor Catalog (16)

1 5 7 29 35 145 203 1,015 11,867 59,335 83,069 344,143 415,345 1,720,715 2,409,001 12,045,005

Collatz Trajectory (197 steps to reach 1)

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

12,045,005 36,135,016 18,067,508 9,033,754 4,516,877 13,550,632 6,775,316 3,387,658 1,693,829 5,081,488 2,540,744 1,270,372 635,186 317,593 952,780 476,390 238,195 714,586 357,293 1,071,880 535,940 267,970 133,985 401,956 200,978 100,489 301,468 150,734 75,367 226,102 113,051 339,154 169,577 508,732 254,366 127,183 381,550 190,775 572,326 286,163 858,490 429,245 1,287,736 643,868 321,934 160,967 482,902 241,451 724,354 362,177 1,086,532 543,266 271,633 814,900 407,450 203,725 611,176 305,588 152,794 76,397

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