1,428,129

3² × 107 × 1483

1,428,129 is odd and not a perfect square. Its factorization is 3^2 × 107 × 1483 and its 12 divisors sum to 2,083,536.

Prime Factor Structure

Factorization String 3^2 × 107 × 1483

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 2,083,536

Proper Divisor Sum 655,407

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #1428127 ← → #1428137

Radix Representation

Decimal	1428129
Binary	101011100101010100001 (21 bits)
Octal	0o5345241
Hexadecimal	0x15CAA1

Divisor Catalog (12)

1 3 9 107 321 963 1,483 4,449 13,347 158,681 476,043 1,428,129

Collatz Trajectory (150 steps to reach 1)

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

1,428,129 4,284,388 2,142,194 1,071,097 3,213,292 1,606,646 803,323 2,409,970 1,204,985 3,614,956 1,807,478 903,739 2,711,218 1,355,609 4,066,828 2,033,414 1,016,707 3,050,122 1,525,061 4,575,184 2,287,592 1,143,796 571,898 285,949 857,848 428,924 214,462 107,231 321,694 160,847 482,542 241,271 723,814 361,907 1,085,722 542,861 1,628,584 814,292 407,146 203,573 610,720 305,360 152,680 76,340 38,170 19,085 57,256 28,628 14,314 7,157 21,472 10,736 5,368 2,684 1,342 671 2,014 1,007 3,022 1,511

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