λ
Sequence Observatory

4,909,673

1291 × 3803
Deficient Odd Composite

Starting at 4,909,673, the Collatz iteration reaches 1 after 162 steps. The first transition is 14729020; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 1291 × 3803
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 4,914,768
Proper Divisor Sum 5,095
Digit Sum / Digital Root 38 (Root: 2)
Adjacent Primes #4909643 ← → #4909679

Radix Representation

Decimal 4909673
Binary 10010101110101001101001 (23 bits)
Octal 0o22565151
Hexadecimal 0x4AEA69

Divisor Catalog (4)

1 1,291 3,803 4,909,673

Collatz Trajectory (162 steps to reach 1)

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

4,909,673 14,729,020 7,364,510 3,682,255 11,046,766 5,523,383 16,570,150 8,285,075 24,855,226 12,427,613 37,282,840 18,641,420 9,320,710 4,660,355 13,981,066 6,990,533 20,971,600 10,485,800 5,242,900 2,621,450 1,310,725 3,932,176 1,966,088 983,044 491,522 245,761 737,284 368,642 184,321 552,964 276,482 138,241 414,724 207,362 103,681 311,044 155,522 77,761 233,284 116,642 58,321 174,964 87,482 43,741 131,224 65,612 32,806 16,403 49,210 24,605 73,816 36,908 18,454 9,227 27,682 13,841 41,524 20,762 10,381 31,144

More profiles

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