1,425,517

23 × 61979

Starting at 1,425,517, the Collatz iteration reaches 1 after 256 steps. The first transition is 4276552; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 23 × 61979

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 1,487,520

Proper Divisor Sum 62,003

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #1425511 ← → #1425521

Radix Representation

Decimal	1425517
Binary	101011100000001101101 (21 bits)
Octal	0o5340155
Hexadecimal	0x15C06D

Divisor Catalog (4)

1 23 61,979 1,425,517

Collatz Trajectory (256 steps to reach 1)

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

1,425,517 4,276,552 2,138,276 1,069,138 534,569 1,603,708 801,854 400,927 1,202,782 601,391 1,804,174 902,087 2,706,262 1,353,131 4,059,394 2,029,697 6,089,092 3,044,546 1,522,273 4,566,820 2,283,410 1,141,705 3,425,116 1,712,558 856,279 2,568,838 1,284,419 3,853,258 1,926,629 5,779,888 2,889,944 1,444,972 722,486 361,243 1,083,730 541,865 1,625,596 812,798 406,399 1,219,198 609,599 1,828,798 914,399 2,743,198 1,371,599 4,114,798 2,057,399 6,172,198 3,086,099 9,258,298 4,629,149 13,887,448 6,943,724 3,471,862 1,735,931 5,207,794 2,603,897 7,811,692 3,905,846 1,952,923

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