1,817,271

3² × 201919

1,817,271 factors as 3^2 × 201919. Its 6 positive divisors give a proper-divisor sum of 807,689, so this integer is deficient. The Collatz stopping time is 158 steps.

Prime Factor Structure

Factorization String 3^2 × 201919

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 2,624,960

Proper Divisor Sum 807,689

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #1817269 ← → #1817273

Radix Representation

Decimal	1817271
Binary	110111011101010110111 (21 bits)
Octal	0o6735267
Hexadecimal	0x1BBAB7

Divisor Catalog (6)

1 3 9 201,919 605,757 1,817,271

Collatz Trajectory (158 steps to reach 1)

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

1,817,271 5,451,814 2,725,907 8,177,722 4,088,861 12,266,584 6,133,292 3,066,646 1,533,323 4,599,970 2,299,985 6,899,956 3,449,978 1,724,989 5,174,968 2,587,484 1,293,742 646,871 1,940,614 970,307 2,910,922 1,455,461 4,366,384 2,183,192 1,091,596 545,798 272,899 818,698 409,349 1,228,048 614,024 307,012 153,506 76,753 230,260 115,130 57,565 172,696 86,348 43,174 21,587 64,762 32,381 97,144 48,572 24,286 12,143 36,430 18,215 54,646 27,323 81,970 40,985 122,956 61,478 30,739 92,218 46,109 138,328 69,164

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