λ
Sequence Observatory

1,342,436

22 × 335609
Deficient Even Composite

Starting at 1,342,436, the Collatz iteration reaches 1 after 111 steps. The first transition is 671218; the starting value is even with 6 positive divisors.

Prime Factor Structure

Factorization String 2^2 × 335609
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 6
Divisor Sum (σ) 2,349,270
Proper Divisor Sum 1,006,834
Digit Sum / Digital Root 23 (Root: 5)
Adjacent Primes #1342433 ← → #1342489

Radix Representation

Decimal 1342436
Binary 101000111101111100100 (21 bits)
Octal 0o5075744
Hexadecimal 0x147BE4

Divisor Catalog (6)

1 2 4 335,609 671,218 1,342,436

Collatz Trajectory (111 steps to reach 1)

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

1,342,436 671,218 335,609 1,006,828 503,414 251,707 755,122 377,561 1,132,684 566,342 283,171 849,514 424,757 1,274,272 637,136 318,568 159,284 79,642 39,821 119,464 59,732 29,866 14,933 44,800 22,400 11,200 5,600 2,800 1,400 700 350 175 526 263 790 395 1,186 593 1,780 890 445 1,336 668 334 167 502 251 754 377 1,132 566 283 850 425 1,276 638 319 958 479 1,438

More profiles

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