λ
Sequence Observatory

4,025,349

33 × 149087
Deficient Odd Composite

Starting at 4,025,349, the Collatz iteration reaches 1 after 92 steps. The first transition is 12076048; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 3^3 × 149087
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 5,963,520
Proper Divisor Sum 1,938,171
Digit Sum / Digital Root 27 (Root: 9)
Adjacent Primes #4025347 ← → #4025353

Radix Representation

Decimal 4025349
Binary 1111010110110000000101 (22 bits)
Octal 0o17266005
Hexadecimal 0x3D6C05

Divisor Catalog (8)

1 3 9 27 149,087 447,261 1,341,783 4,025,349

Collatz Trajectory (92 steps to reach 1)

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

4,025,349 12,076,048 6,038,024 3,019,012 1,509,506 754,753 2,264,260 1,132,130 566,065 1,698,196 849,098 424,549 1,273,648 636,824 318,412 159,206 79,603 238,810 119,405 358,216 179,108 89,554 44,777 134,332 67,166 33,583 100,750 50,375 151,126 75,563 226,690 113,345 340,036 170,018 85,009 255,028 127,514 63,757 191,272 95,636 47,818 23,909 71,728 35,864 17,932 8,966 4,483 13,450 6,725 20,176 10,088 5,044 2,522 1,261 3,784 1,892 946 473 1,420 710

More profiles

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