2,389,623

3 × 796541

Starting at 2,389,623, the Collatz iteration reaches 1 after 99 steps. The first transition is 7168870; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 3 × 796541

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 3,186,168

Proper Divisor Sum 796,545

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #2389619 ← → #2389633

Radix Representation

Decimal	2389623
Binary	1001000111011001110111 (22 bits)
Octal	0o11073167
Hexadecimal	0x247677

Divisor Catalog (4)

1 3 796,541 2,389,623

Collatz Trajectory (99 steps to reach 1)

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

2,389,623 7,168,870 3,584,435 10,753,306 5,376,653 16,129,960 8,064,980 4,032,490 2,016,245 6,048,736 3,024,368 1,512,184 756,092 378,046 189,023 567,070 283,535 850,606 425,303 1,275,910 637,955 1,913,866 956,933 2,870,800 1,435,400 717,700 358,850 179,425 538,276 269,138 134,569 403,708 201,854 100,927 302,782 151,391 454,174 227,087 681,262 340,631 1,021,894 510,947 1,532,842 766,421 2,299,264 1,149,632 574,816 287,408 143,704 71,852 35,926 17,963 53,890 26,945 80,836 40,418 20,209 60,628 30,314 15,157

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