1,662,641

1662641

1,662,641 factors as 1662641. Its 2 positive divisors give a proper-divisor sum of 1, so this integer is deficient. The Collatz stopping time is 207 steps.

Prime Factor Structure

Factorization String 1662641

Distinct Prime Factors 1

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 2

Divisor Sum (σ) 1,662,642

Proper Divisor Sum 1

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #1662637 ← → #1662643

Radix Representation

Decimal	1662641
Binary	110010101111010110001 (21 bits)
Octal	0o6257261
Hexadecimal	0x195EB1

Divisor Catalog (2)

1 1,662,641

Collatz Trajectory (207 steps to reach 1)

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

1,662,641 4,987,924 2,493,962 1,246,981 3,740,944 1,870,472 935,236 467,618 233,809 701,428 350,714 175,357 526,072 263,036 131,518 65,759 197,278 98,639 295,918 147,959 443,878 221,939 665,818 332,909 998,728 499,364 249,682 124,841 374,524 187,262 93,631 280,894 140,447 421,342 210,671 632,014 316,007 948,022 474,011 1,422,034 711,017 2,133,052 1,066,526 533,263 1,599,790 799,895 2,399,686 1,199,843 3,599,530 1,799,765 5,399,296 2,699,648 1,349,824 674,912 337,456 168,728 84,364 42,182 21,091 63,274

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