7,397,990

2 × 5 × 739799

Starting at 7,397,990, the Collatz iteration reaches 1 after 142 steps. The first transition is 3698995; the starting value is even with 8 positive divisors.

Prime Factor Structure

Factorization String 2 × 5 × 739799

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 13,316,400

Proper Divisor Sum 5,918,410

Digit Sum / Digital Root 44 (Root: 8)

Adjacent Primes #7397981 ← → #7397993

Radix Representation

Decimal	7397990
Binary	11100001110001001100110 (23 bits)
Octal	0o34161146
Hexadecimal	0x70E266

Divisor Catalog (8)

1 2 5 10 739,799 1,479,598 3,698,995 7,397,990

Collatz Trajectory (142 steps to reach 1)

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

7,397,990 3,698,995 11,096,986 5,548,493 16,645,480 8,322,740 4,161,370 2,080,685 6,242,056 3,121,028 1,560,514 780,257 2,340,772 1,170,386 585,193 1,755,580 877,790 438,895 1,316,686 658,343 1,975,030 987,515 2,962,546 1,481,273 4,443,820 2,221,910 1,110,955 3,332,866 1,666,433 4,999,300 2,499,650 1,249,825 3,749,476 1,874,738 937,369 2,812,108 1,406,054 703,027 2,109,082 1,054,541 3,163,624 1,581,812 790,906 395,453 1,186,360 593,180 296,590 148,295 444,886 222,443 667,330 333,665 1,000,996 500,498 250,249 750,748 375,374 187,687 563,062 281,531

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