Integer Profile

1,988,140

2^2 × 5 × 7 × 11 × 1291

Prime factors, divisor sums, positional representations and sequence properties for 1,988,140. The prime factorization is 2^2 × 5 × 7 × 11 × 1291.

Number of positive divisors: 48. Showing the recorded part of the sequence: 153.

AbundantEvenComposite

Prime factorization

Factorization: 2^2 × 5 × 7 × 11 × 1291
Distinct prime factors: 5
Perfect square: No
Parity: Even

Arithmetic properties

Positive divisors: 48
Divisor sum: 5,209,344
Proper-divisor sum: 3,221,204
Digit sum: 31
Digital root: 4

Number bases

Decimal: 1988140
Binary: 111100101011000101100 (21 bits)
Octal: 0o7453054
Hexadecimal: 0x1E562C

Divisor catalog (48)

1245710111420222835445570771101401542203083857701,2911,5402,5825,1646,4559,03712,91014,20118,07425,82028,40236,14845,18556,80471,00590,37099,407142,010180,740198,814284,020397,628497,035994,0701,988,140

Showing 48 of 48.

Collatz trajectory (153 steps)

Even: n → n/2; Odd: n → 3n + 1

1,988,140994,070497,0351,491,106745,5532,236,6601,118,330559,1651,677,496838,748419,374209,687629,062314,531943,594471,7971,415,392707,696353,848176,92488,46244,231132,69466,347199,04299,521298,564149,28274,641223,924111,96255,981167,94483,97241,98620,99362,98031,49015,74547,23623,61811,80935,42817,7148,85726,57213,2866,64319,9309,96529,89614,9487,4743,73711,2125,6062,8038,4104,20512,616

Showing 60 of 60.