1,508,665

5 × 17 × 17749

Starting at 1,508,665, the Collatz iteration reaches 1 after 181 steps. The first transition is 4525996; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 5 × 17 × 17749

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 1,917,000

Proper Divisor Sum 408,335

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #1508659 ← → #1508671

Radix Representation

Decimal	1508665
Binary	101110000010100111001 (21 bits)
Octal	0o5602471
Hexadecimal	0x170539

Divisor Catalog (8)

1 5 17 85 17,749 88,745 301,733 1,508,665

Collatz Trajectory (181 steps to reach 1)

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

1,508,665 4,525,996 2,262,998 1,131,499 3,394,498 1,697,249 5,091,748 2,545,874 1,272,937 3,818,812 1,909,406 954,703 2,864,110 1,432,055 4,296,166 2,148,083 6,444,250 3,222,125 9,666,376 4,833,188 2,416,594 1,208,297 3,624,892 1,812,446 906,223 2,718,670 1,359,335 4,078,006 2,039,003 6,117,010 3,058,505 9,175,516 4,587,758 2,293,879 6,881,638 3,440,819 10,322,458 5,161,229 15,483,688 7,741,844 3,870,922 1,935,461 5,806,384 2,903,192 1,451,596 725,798 362,899 1,088,698 544,349 1,633,048 816,524 408,262 204,131 612,394 306,197 918,592 459,296 229,648 114,824 57,412

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