1,821,243

3 × 607081

1,821,243 factors as 3 × 607081. Its 4 positive divisors give a proper-divisor sum of 607,085, so this integer is deficient. The Collatz stopping time is 264 steps.

Prime Factor Structure

Factorization String 3 × 607081

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 2,428,328

Proper Divisor Sum 607,085

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #1821233 ← → #1821257

Radix Representation

Decimal	1821243
Binary	110111100101000111011 (21 bits)
Octal	0o6745073
Hexadecimal	0x1BCA3B

Divisor Catalog (4)

1 3 607,081 1,821,243

Collatz Trajectory (264 steps to reach 1)

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

1,821,243 5,463,730 2,731,865 8,195,596 4,097,798 2,048,899 6,146,698 3,073,349 9,220,048 4,610,024 2,305,012 1,152,506 576,253 1,728,760 864,380 432,190 216,095 648,286 324,143 972,430 486,215 1,458,646 729,323 2,187,970 1,093,985 3,281,956 1,640,978 820,489 2,461,468 1,230,734 615,367 1,846,102 923,051 2,769,154 1,384,577 4,153,732 2,076,866 1,038,433 3,115,300 1,557,650 778,825 2,336,476 1,168,238 584,119 1,752,358 876,179 2,628,538 1,314,269 3,942,808 1,971,404 985,702 492,851 1,478,554 739,277 2,217,832 1,108,916 554,458 277,229 831,688 415,844

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