λ
Sequence Observatory

2,373,621

3 × 29 × 27283
Deficient Odd Composite

Starting at 2,373,621, the Collatz iteration reaches 1 after 161 steps. The first transition is 7120864; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 3 × 29 × 27283
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 3,274,080
Proper Divisor Sum 900,459
Digit Sum / Digital Root 24 (Root: 6)
Adjacent Primes #2373611 ← → #2373649

Radix Representation

Decimal 2373621
Binary 1001000011011111110101 (22 bits)
Octal 0o11033765
Hexadecimal 0x2437F5

Divisor Catalog (8)

1 3 29 87 27,283 81,849 791,207 2,373,621

Collatz Trajectory (161 steps to reach 1)

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

2,373,621 7,120,864 3,560,432 1,780,216 890,108 445,054 222,527 667,582 333,791 1,001,374 500,687 1,502,062 751,031 2,253,094 1,126,547 3,379,642 1,689,821 5,069,464 2,534,732 1,267,366 633,683 1,901,050 950,525 2,851,576 1,425,788 712,894 356,447 1,069,342 534,671 1,604,014 802,007 2,406,022 1,203,011 3,609,034 1,804,517 5,413,552 2,706,776 1,353,388 676,694 338,347 1,015,042 507,521 1,522,564 761,282 380,641 1,141,924 570,962 285,481 856,444 428,222 214,111 642,334 321,167 963,502 481,751 1,445,254 722,627 2,167,882 1,083,941 3,251,824

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