λ
Sequence Observatory

154,283

41 × 53 × 71
Deficient Odd Composite

Starting at 154,283, the Collatz iteration reaches 1 after 188 steps. The first transition is 462850; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 41 × 53 × 71
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 163,296
Proper Divisor Sum 9,013
Digit Sum / Digital Root 23 (Root: 5)
Adjacent Primes #154279 ← → #154291

Radix Representation

Decimal 154283
Binary 100101101010101011 (18 bits)
Octal 0o455253
Hexadecimal 0x25AAB

Divisor Catalog (8)

1 41 53 71 2,173 2,911 3,763 154,283

Collatz Trajectory (188 steps to reach 1)

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

154,283 462,850 231,425 694,276 347,138 173,569 520,708 260,354 130,177 390,532 195,266 97,633 292,900 146,450 73,225 219,676 109,838 54,919 164,758 82,379 247,138 123,569 370,708 185,354 92,677 278,032 139,016 69,508 34,754 17,377 52,132 26,066 13,033 39,100 19,550 9,775 29,326 14,663 43,990 21,995 65,986 32,993 98,980 49,490 24,745 74,236 37,118 18,559 55,678 27,839 83,518 41,759 125,278 62,639 187,918 93,959 281,878 140,939 422,818 211,409

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