3,398,749

263 × 12923

Starting at 3,398,749, the Collatz iteration reaches 1 after 128 steps. The first transition is 10196248; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 263 × 12923

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 3,411,936

Proper Divisor Sum 13,187

Digit Sum / Digital Root 43 (Root: 7)

Adjacent Primes #3398741 ← → #3398753

Radix Representation

Decimal	3398749
Binary	1100111101110001011101 (22 bits)
Octal	0o14756135
Hexadecimal	0x33DC5D

Divisor Catalog (4)

1 263 12,923 3,398,749

Collatz Trajectory (128 steps to reach 1)

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

3,398,749 10,196,248 5,098,124 2,549,062 1,274,531 3,823,594 1,911,797 5,735,392 2,867,696 1,433,848 716,924 358,462 179,231 537,694 268,847 806,542 403,271 1,209,814 604,907 1,814,722 907,361 2,722,084 1,361,042 680,521 2,041,564 1,020,782 510,391 1,531,174 765,587 2,296,762 1,148,381 3,445,144 1,722,572 861,286 430,643 1,291,930 645,965 1,937,896 968,948 484,474 242,237 726,712 363,356 181,678 90,839 272,518 136,259 408,778 204,389 613,168 306,584 153,292 76,646 38,323 114,970 57,485 172,456 86,228 43,114 21,557

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