λ
Sequence Observatory

7,484,389

11 × 680399
Deficient Odd Composite

Starting at 7,484,389, the Collatz iteration reaches 1 after 111 steps. The first transition is 22453168; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 11 × 680399
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 8,164,800
Proper Divisor Sum 680,411
Digit Sum / Digital Root 43 (Root: 7)
Adjacent Primes #7484383 ← → #7484401

Radix Representation

Decimal 7484389
Binary 11100100011001111100101 (23 bits)
Octal 0o34431745
Hexadecimal 0x7233E5

Divisor Catalog (4)

1 11 680,399 7,484,389

Collatz Trajectory (111 steps to reach 1)

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

7,484,389 22,453,168 11,226,584 5,613,292 2,806,646 1,403,323 4,209,970 2,104,985 6,314,956 3,157,478 1,578,739 4,736,218 2,368,109 7,104,328 3,552,164 1,776,082 888,041 2,664,124 1,332,062 666,031 1,998,094 999,047 2,997,142 1,498,571 4,495,714 2,247,857 6,743,572 3,371,786 1,685,893 5,057,680 2,528,840 1,264,420 632,210 316,105 948,316 474,158 237,079 711,238 355,619 1,066,858 533,429 1,600,288 800,144 400,072 200,036 100,018 50,009 150,028 75,014 37,507 112,522 56,261 168,784 84,392 42,196 21,098 10,549 31,648 15,824 7,912

More profiles

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