λ
Sequence Observatory

3,370,474

2 × 137 × 12301
Deficient Even Composite

Starting at 3,370,474, the Collatz iteration reaches 1 after 71 steps. The first transition is 1685237; the starting value is even with 8 positive divisors.

Prime Factor Structure

Factorization String 2 × 137 × 12301
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 5,093,028
Proper Divisor Sum 1,722,554
Digit Sum / Digital Root 28 (Root: 1)
Adjacent Primes #3370457 ← → #3370481

Radix Representation

Decimal 3370474
Binary 1100110110110111101010 (22 bits)
Octal 0o14666752
Hexadecimal 0x336DEA

Divisor Catalog (8)

1 2 137 274 12,301 24,602 1,685,237 3,370,474

Collatz Trajectory (71 steps to reach 1)

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

3,370,474 1,685,237 5,055,712 2,527,856 1,263,928 631,964 315,982 157,991 473,974 236,987 710,962 355,481 1,066,444 533,222 266,611 799,834 399,917 1,199,752 599,876 299,938 149,969 449,908 224,954 112,477 337,432 168,716 84,358 42,179 126,538 63,269 189,808 94,904 47,452 23,726 11,863 35,590 17,795 53,386 26,693 80,080 40,040 20,020 10,010 5,005 15,016 7,508 3,754 1,877 5,632 2,816 1,408 704 352 176 88 44 22 11 34 17

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