λ
Sequence Observatory

7,423,739

29 × 281 × 911
Deficient Odd Composite

Starting at 7,423,739, the Collatz iteration reaches 1 after 186 steps. The first transition is 22271218; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 29 × 281 × 911
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 7,715,520
Proper Divisor Sum 291,781
Digit Sum / Digital Root 35 (Root: 8)
Adjacent Primes #7423727 ← → #7423751

Radix Representation

Decimal 7423739
Binary 11100010100011011111011 (23 bits)
Octal 0o34243373
Hexadecimal 0x7146FB

Divisor Catalog (8)

1 29 281 911 8,149 26,419 255,991 7,423,739

Collatz Trajectory (186 steps to reach 1)

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

7,423,739 22,271,218 11,135,609 33,406,828 16,703,414 8,351,707 25,055,122 12,527,561 37,582,684 18,791,342 9,395,671 28,187,014 14,093,507 42,280,522 21,140,261 63,420,784 31,710,392 15,855,196 7,927,598 3,963,799 11,891,398 5,945,699 17,837,098 8,918,549 26,755,648 13,377,824 6,688,912 3,344,456 1,672,228 836,114 418,057 1,254,172 627,086 313,543 940,630 470,315 1,410,946 705,473 2,116,420 1,058,210 529,105 1,587,316 793,658 396,829 1,190,488 595,244 297,622 148,811 446,434 223,217 669,652 334,826 167,413 502,240 251,120 125,560 62,780 31,390 15,695 47,086

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