1,995,201

3² × 13 × 17053

1,995,201 factors as 3^2 × 13 × 17053. Its 12 positive divisors give a proper-divisor sum of 1,108,627, so this integer is deficient. The Collatz stopping time is 290 steps.

Prime Factor Structure

Factorization String 3^2 × 13 × 17053

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 3,103,828

Proper Divisor Sum 1,108,627

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #1995187 ← → #1995211

Radix Representation

Decimal	1995201
Binary	111100111000111000001 (21 bits)
Octal	0o7470701
Hexadecimal	0x1E71C1

Divisor Catalog (12)

1 3 9 13 39 117 17,053 51,159 153,477 221,689 665,067 1,995,201

Collatz Trajectory (290 steps to reach 1)

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

1,995,201 5,985,604 2,992,802 1,496,401 4,489,204 2,244,602 1,122,301 3,366,904 1,683,452 841,726 420,863 1,262,590 631,295 1,893,886 946,943 2,840,830 1,420,415 4,261,246 2,130,623 6,391,870 3,195,935 9,587,806 4,793,903 14,381,710 7,190,855 21,572,566 10,786,283 32,358,850 16,179,425 48,538,276 24,269,138 12,134,569 36,403,708 18,201,854 9,100,927 27,302,782 13,651,391 40,954,174 20,477,087 61,431,262 30,715,631 92,146,894 46,073,447 138,220,342 69,110,171 207,330,514 103,665,257 310,995,772 155,497,886 77,748,943 233,246,830 116,623,415 349,870,246 174,935,123 524,805,370 262,402,685 787,208,056 393,604,028 196,802,014 98,401,007

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