Integer Profile

2,155,986

2 × 3^2 × 7 × 71 × 241

Prime factors, divisor sums, positional representations and sequence properties for 2,155,986. The prime factorization is 2 × 3^2 × 7 × 71 × 241.

Number of positive divisors: 48. Showing the recorded part of the sequence: 241.

AbundantEvenComposite

Prime factorization

Factorization: 2 × 3^2 × 7 × 71 × 241
Distinct prime factors: 5
Perfect square: No
Parity: Even

Arithmetic properties

Positive divisors: 48
Divisor sum: 5,436,288
Proper-divisor sum: 3,280,302
Digit sum: 36
Digital root: 9

Number bases

Decimal: 2155986
Binary: 1000001110010111010010 (22 bits)
Octal: 0o10162722
Hexadecimal: 0x20E5D2

Divisor catalog (48)

1236791418214263711261422132414264824976397239941,2781,4461,4911,6872,1692,9823,3744,3384,4735,0618,94610,12215,18317,11130,36634,22251,333102,666119,777153,999239,554307,998359,331718,6621,077,9932,155,986

Showing 48 of 48.

Collatz trajectory (241 steps)

Even: n → n/2; Odd: n → 3n + 1

2,155,9861,077,9933,233,9801,616,990808,4952,425,4861,212,7433,638,2301,819,1155,457,3462,728,6738,186,0204,093,0102,046,5056,139,5163,069,7581,534,8794,604,6382,302,3196,906,9583,453,47910,360,4385,180,21915,540,6587,770,32923,310,98811,655,4945,827,74717,483,2428,741,62126,224,86413,112,4326,556,2163,278,1081,639,054819,5272,458,5821,229,2913,687,8741,843,9375,531,8122,765,9061,382,9534,148,8602,074,4301,037,2153,111,6461,555,8234,667,4702,333,7357,001,2063,500,60310,501,8105,250,90515,752,7167,876,3583,938,17911,814,5385,907,26917,721,808

Showing 60 of 60.