1,489,404

2² × 3 × 7² × 17 × 149

Starting at 1,489,404, the Collatz iteration reaches 1 after 168 steps. The first transition is 744702; the starting value is even with 72 positive divisors.

Prime Factor Structure

Factorization String 2^2 × 3 × 7^2 × 17 × 149

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 72

Divisor Sum (σ) 4,309,200

Proper Divisor Sum 2,819,796

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #1489403 ← → #1489409

Radix Representation

Decimal	1489404
Binary	101101011100111111100 (21 bits)
Octal	0o5534774
Hexadecimal	0x16B9FC

Divisor Catalog (60 of 72)

1 2 3 4 6 7 12 14 17 21 28 34 42 49 51 68 84 98 102 119 147 149 196 204 238 294 298 357 447 476 588 596 714 833 894 1,043 1,428 1,666 1,788 2,086 2,499 2,533 3,129 3,332 4,172 4,998 5,066 6,258 7,301 7,599 9,996 10,132 12,516 14,602 15,198 17,731 21,903 29,204 30,396 35,462

Collatz Trajectory (168 steps to reach 1)

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

1,489,404 744,702 372,351 1,117,054 558,527 1,675,582 837,791 2,513,374 1,256,687 3,770,062 1,885,031 5,655,094 2,827,547 8,482,642 4,241,321 12,723,964 6,361,982 3,180,991 9,542,974 4,771,487 14,314,462 7,157,231 21,471,694 10,735,847 32,207,542 16,103,771 48,311,314 24,155,657 72,466,972 36,233,486 18,116,743 54,350,230 27,175,115 81,525,346 40,762,673 122,288,020 61,144,010 30,572,005 91,716,016 45,858,008 22,929,004 11,464,502 5,732,251 17,196,754 8,598,377 25,795,132 12,897,566 6,448,783 19,346,350 9,673,175 29,019,526 14,509,763 43,529,290 21,764,645 65,293,936 32,646,968 16,323,484 8,161,742 4,080,871 12,242,614

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