1,491,634

2 × 745817

Starting at 1,491,634, the Collatz iteration reaches 1 after 119 steps. The first transition is 745817; the starting value is even with 4 positive divisors.

Prime Factor Structure

Factorization String 2 × 745817

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 2,237,454

Proper Divisor Sum 745,820

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #1491629 ← → #1491641

Radix Representation

Decimal	1491634
Binary	101101100001010110010 (21 bits)
Octal	0o5541262
Hexadecimal	0x16C2B2

Divisor Catalog (4)

1 2 745,817 1,491,634

Collatz Trajectory (119 steps to reach 1)

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

1,491,634 745,817 2,237,452 1,118,726 559,363 1,678,090 839,045 2,517,136 1,258,568 629,284 314,642 157,321 471,964 235,982 117,991 353,974 176,987 530,962 265,481 796,444 398,222 199,111 597,334 298,667 896,002 448,001 1,344,004 672,002 336,001 1,008,004 504,002 252,001 756,004 378,002 189,001 567,004 283,502 141,751 425,254 212,627 637,882 318,941 956,824 478,412 239,206 119,603 358,810 179,405 538,216 269,108 134,554 67,277 201,832 100,916 50,458 25,229 75,688 37,844 18,922 9,461

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