2,137,446

2 × 3² × 118747

2,137,446 factors as 2 × 3^2 × 118747. Its 12 positive divisors give a proper-divisor sum of 2,493,726, so this integer is abundant. The Collatz stopping time is 78 steps.

Prime Factor Structure

Factorization String 2 × 3^2 × 118747

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 4,631,172

Proper Divisor Sum 2,493,726

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #2137441 ← → #2137451

Radix Representation

Decimal	2137446
Binary	1000001001110101100110 (22 bits)
Octal	0o10116546
Hexadecimal	0x209D66

Divisor Catalog (12)

1 2 3 6 9 18 118,747 237,494 356,241 712,482 1,068,723 2,137,446

Collatz Trajectory (78 steps to reach 1)

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

2,137,446 1,068,723 3,206,170 1,603,085 4,809,256 2,404,628 1,202,314 601,157 1,803,472 901,736 450,868 225,434 112,717 338,152 169,076 84,538 42,269 126,808 63,404 31,702 15,851 47,554 23,777 71,332 35,666 17,833 53,500 26,750 13,375 40,126 20,063 60,190 30,095 90,286 45,143 135,430 67,715 203,146 101,573 304,720 152,360 76,180 38,090 19,045 57,136 28,568 14,284 7,142 3,571 10,714 5,357 16,072 8,036 4,018 2,009 6,028 3,014 1,507 4,522 2,261

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