λ
Sequence Observatory

547,930

2 × 5 × 157 × 349
Deficient Even Composite

Starting at 547,930, the Collatz iteration reaches 1 after 169 steps. The first transition is 273965; the starting value is even with 16 positive divisors.

Prime Factor Structure

Factorization String 2 × 5 × 157 × 349
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 995,400
Proper Divisor Sum 447,470
Digit Sum / Digital Root 28 (Root: 1)
Adjacent Primes #547909 ← → #547951

Radix Representation

Decimal 547930
Binary 10000101110001011010 (20 bits)
Octal 0o2056132
Hexadecimal 0x85C5A

Divisor Catalog (16)

1 2 5 10 157 314 349 698 785 1,570 1,745 3,490 54,793 109,586 273,965 547,930

Collatz Trajectory (169 steps to reach 1)

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

547,930 273,965 821,896 410,948 205,474 102,737 308,212 154,106 77,053 231,160 115,580 57,790 28,895 86,686 43,343 130,030 65,015 195,046 97,523 292,570 146,285 438,856 219,428 109,714 54,857 164,572 82,286 41,143 123,430 61,715 185,146 92,573 277,720 138,860 69,430 34,715 104,146 52,073 156,220 78,110 39,055 117,166 58,583 175,750 87,875 263,626 131,813 395,440 197,720 98,860 49,430 24,715 74,146 37,073 111,220 55,610 27,805 83,416 41,708 20,854

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