λ
Sigma Notebook

1,631,141

163 × 10007
Deficient Odd Composite

1,631,141 is odd and not a perfect square. Its factorization is 163 × 10007 and its 4 divisors sum to 1,641,312.

Prime Factor Structure

Factorization String 163 × 10007
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 1,641,312
Proper Divisor Sum 10,171
Digit Sum / Digital Root 17 (Root: 8)
Adjacent Primes #1631117 ← → #1631143

Radix Representation

Decimal 1631141
Binary 110001110001110100101 (21 bits)
Octal 0o6161645
Hexadecimal 0x18E3A5

Divisor Catalog (4)

1 163 10,007 1,631,141

Collatz Trajectory (163 steps to reach 1)

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

1,631,141 4,893,424 2,446,712 1,223,356 611,678 305,839 917,518 458,759 1,376,278 688,139 2,064,418 1,032,209 3,096,628 1,548,314 774,157 2,322,472 1,161,236 580,618 290,309 870,928 435,464 217,732 108,866 54,433 163,300 81,650 40,825 122,476 61,238 30,619 91,858 45,929 137,788 68,894 34,447 103,342 51,671 155,014 77,507 232,522 116,261 348,784 174,392 87,196 43,598 21,799 65,398 32,699 98,098 49,049 147,148 73,574 36,787 110,362 55,181 165,544 82,772 41,386 20,693 62,080

More profiles

← Previous Integer #1,631,140 Browse Full Index Next Integer #1,631,142 →