λ
Sequence Observatory

4,032,815

5 × 37 × 21799
Deficient Odd Composite

Starting at 4,032,815, the Collatz iteration reaches 1 after 92 steps. The first transition is 12098446; the starting value is odd with 8 positive divisors.

Prime Factor Structure

Factorization String 5 × 37 × 21799
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 4,970,400
Proper Divisor Sum 937,585
Digit Sum / Digital Root 23 (Root: 5)
Adjacent Primes #4032811 ← → #4032839

Radix Representation

Decimal 4032815
Binary 1111011000100100101111 (22 bits)
Octal 0o17304457
Hexadecimal 0x3D892F

Divisor Catalog (8)

1 5 37 185 21,799 108,995 806,563 4,032,815

Collatz Trajectory (92 steps to reach 1)

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

4,032,815 12,098,446 6,049,223 18,147,670 9,073,835 27,221,506 13,610,753 40,832,260 20,416,130 10,208,065 30,624,196 15,312,098 7,656,049 22,968,148 11,484,074 5,742,037 17,226,112 8,613,056 4,306,528 2,153,264 1,076,632 538,316 269,158 134,579 403,738 201,869 605,608 302,804 151,402 75,701 227,104 113,552 56,776 28,388 14,194 7,097 21,292 10,646 5,323 15,970 7,985 23,956 11,978 5,989 17,968 8,984 4,492 2,246 1,123 3,370 1,685 5,056 2,528 1,264 632 316 158 79 238 119

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