1,400,561

37 × 37853

Starting at 1,400,561, the Collatz iteration reaches 1 after 106 steps. The first transition is 4201684; the starting value is odd with 4 positive divisors.

Prime Factor Structure

Factorization String 37 × 37853

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 1,438,452

Proper Divisor Sum 37,891

Digit Sum / Digital Root 17 (Root: 8)

Adjacent Primes #1400557 ← → #1400587

Radix Representation

Decimal	1400561
Binary	101010101111011110001 (21 bits)
Octal	0o5257361
Hexadecimal	0x155EF1

Divisor Catalog (4)

1 37 37,853 1,400,561

Collatz Trajectory (106 steps to reach 1)

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

1,400,561 4,201,684 2,100,842 1,050,421 3,151,264 1,575,632 787,816 393,908 196,954 98,477 295,432 147,716 73,858 36,929 110,788 55,394 27,697 83,092 41,546 20,773 62,320 31,160 15,580 7,790 3,895 11,686 5,843 17,530 8,765 26,296 13,148 6,574 3,287 9,862 4,931 14,794 7,397 22,192 11,096 5,548 2,774 1,387 4,162 2,081 6,244 3,122 1,561 4,684 2,342 1,171 3,514 1,757 5,272 2,636 1,318 659 1,978 989 2,968 1,484

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