2,890,412

2² × 7² × 14747

Starting at 2,890,412, the Collatz iteration reaches 1 after 151 steps. The first transition is 1445206; the starting value is even with 18 positive divisors.

Prime Factor Structure

Factorization String 2^2 × 7^2 × 14747

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 5,884,452

Proper Divisor Sum 2,994,040

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #2890411 ← → #2890421

Radix Representation

Decimal	2890412
Binary	1011000001101010101100 (22 bits)
Octal	0o13015254
Hexadecimal	0x2C1AAC

Divisor Catalog (18)

1 2 4 7 14 28 49 98 196 14,747 29,494 58,988 103,229 206,458 412,916 722,603 1,445,206 2,890,412

Collatz Trajectory (151 steps to reach 1)

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

2,890,412 1,445,206 722,603 2,167,810 1,083,905 3,251,716 1,625,858 812,929 2,438,788 1,219,394 609,697 1,829,092 914,546 457,273 1,371,820 685,910 342,955 1,028,866 514,433 1,543,300 771,650 385,825 1,157,476 578,738 289,369 868,108 434,054 217,027 651,082 325,541 976,624 488,312 244,156 122,078 61,039 183,118 91,559 274,678 137,339 412,018 206,009 618,028 309,014 154,507 463,522 231,761 695,284 347,642 173,821 521,464 260,732 130,366 65,183 195,550 97,775 293,326 146,663 439,990 219,995 659,986

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