1,301,329

19 × 68491

Starting at 1,301,329, the Collatz iteration reaches 1 after 186 steps. The first transition is 3903988; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 19 × 68491

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 1,369,840

Proper Divisor Sum 68,511

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #1301323 ← → #1301347

Radix Representation

Decimal	1301329
Binary	100111101101101010001 (21 bits)
Octal	0o4755521
Hexadecimal	0x13DB51

Divisor Catalog (4)

1 19 68,491 1,301,329

Collatz Trajectory (186 steps to reach 1)

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

1,301,329 3,903,988 1,951,994 975,997 2,927,992 1,463,996 731,998 365,999 1,097,998 548,999 1,646,998 823,499 2,470,498 1,235,249 3,705,748 1,852,874 926,437 2,779,312 1,389,656 694,828 347,414 173,707 521,122 260,561 781,684 390,842 195,421 586,264 293,132 146,566 73,283 219,850 109,925 329,776 164,888 82,444 41,222 20,611 61,834 30,917 92,752 46,376 23,188 11,594 5,797 17,392 8,696 4,348 2,174 1,087 3,262 1,631 4,894 2,447 7,342 3,671 11,014 5,507 16,522 8,261

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