λ
Sequence Observatory

2,874,682

2 × 1437341
Deficient Even Composite

Starting at 2,874,682, the Collatz iteration reaches 1 after 213 steps. The first transition is 1437341; the starting value is even with 4 positive divisors.

Prime Factor Structure

Factorization String 2 × 1437341
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 4,312,026
Proper Divisor Sum 1,437,344
Digit Sum / Digital Root 37 (Root: 1)
Adjacent Primes #2874673 ← → #2874691

Radix Representation

Decimal 2874682
Binary 1010111101110100111010 (22 bits)
Octal 0o12756472
Hexadecimal 0x2BDD3A

Divisor Catalog (4)

1 2 1,437,341 2,874,682

Collatz Trajectory (213 steps to reach 1)

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

2,874,682 1,437,341 4,312,024 2,156,012 1,078,006 539,003 1,617,010 808,505 2,425,516 1,212,758 606,379 1,819,138 909,569 2,728,708 1,364,354 682,177 2,046,532 1,023,266 511,633 1,534,900 767,450 383,725 1,151,176 575,588 287,794 143,897 431,692 215,846 107,923 323,770 161,885 485,656 242,828 121,414 60,707 182,122 91,061 273,184 136,592 68,296 34,148 17,074 8,537 25,612 12,806 6,403 19,210 9,605 28,816 14,408 7,204 3,602 1,801 5,404 2,702 1,351 4,054 2,027 6,082 3,041

More profiles

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