6,436,963

13 × 495151

Starting at 6,436,963, the Collatz iteration reaches 1 after 209 steps. The first transition is 19310890; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 13 × 495151

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 6,932,128

Proper Divisor Sum 495,165

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #6436939 ← → #6436973

Radix Representation

Decimal	6436963
Binary	11000100011100001100011 (23 bits)
Octal	0o30434143
Hexadecimal	0x623863

Divisor Catalog (4)

1 13 495,151 6,436,963

Collatz Trajectory (209 steps to reach 1)

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

6,436,963 19,310,890 9,655,445 28,966,336 14,483,168 7,241,584 3,620,792 1,810,396 905,198 452,599 1,357,798 678,899 2,036,698 1,018,349 3,055,048 1,527,524 763,762 381,881 1,145,644 572,822 286,411 859,234 429,617 1,288,852 644,426 322,213 966,640 483,320 241,660 120,830 60,415 181,246 90,623 271,870 135,935 407,806 203,903 611,710 305,855 917,566 458,783 1,376,350 688,175 2,064,526 1,032,263 3,096,790 1,548,395 4,645,186 2,322,593 6,967,780 3,483,890 1,741,945 5,225,836 2,612,918 1,306,459 3,919,378 1,959,689 5,879,068 2,939,534 1,469,767

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