1,200,891

3 × 400297

1,200,891 factors as 3 × 400297. Its 4 positive divisors give a proper-divisor sum of 400,301, so this integer is deficient. The Collatz stopping time is 235 steps.

Prime Factor Structure

Factorization String 3 × 400297

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 1,601,192

Proper Divisor Sum 400,301

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #1200889 ← → #1200917

Radix Representation

Decimal	1200891
Binary	100100101001011111011 (21 bits)
Octal	0o4451373
Hexadecimal	0x1252FB

Divisor Catalog (4)

1 3 400,297 1,200,891

Collatz Trajectory (235 steps to reach 1)

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

1,200,891 3,602,674 1,801,337 5,404,012 2,702,006 1,351,003 4,053,010 2,026,505 6,079,516 3,039,758 1,519,879 4,559,638 2,279,819 6,839,458 3,419,729 10,259,188 5,129,594 2,564,797 7,694,392 3,847,196 1,923,598 961,799 2,885,398 1,442,699 4,328,098 2,164,049 6,492,148 3,246,074 1,623,037 4,869,112 2,434,556 1,217,278 608,639 1,825,918 912,959 2,738,878 1,369,439 4,108,318 2,054,159 6,162,478 3,081,239 9,243,718 4,621,859 13,865,578 6,932,789 20,798,368 10,399,184 5,199,592 2,599,796 1,299,898 649,949 1,949,848 974,924 487,462 243,731 731,194 365,597 1,096,792 548,396 274,198

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