Integer Profile

2,171,757

3 × 7 × 19 × 5443

Prime factors, divisor sums, positional representations and sequence properties for 2,171,757. The prime factorization is 3 × 7 × 19 × 5443.

Number of positive divisors: 16. Showing the recorded part of the sequence: 179.

DeficientOddComposite

Collatz trajectory (179 steps)

Even: n → n/2; Odd: n → 3n + 1

2,171,7576,515,2723,257,6361,628,818814,4092,443,2281,221,614610,8071,832,422916,2112,748,6341,374,3174,122,9522,061,4761,030,738515,3691,546,108773,054386,5271,159,582579,7911,739,374869,6872,609,0621,304,5313,913,5941,956,7975,870,3922,935,1961,467,598733,7992,201,3981,100,6993,302,0981,651,0494,953,1482,476,5741,238,2873,714,8621,857,4315,572,2942,786,1478,358,4424,179,22112,537,6646,268,8323,134,4161,567,208783,604391,802195,901587,704293,852146,92673,463220,390110,195330,586165,293495,880

Showing 60 of 60.

Prime factorization

Factorization: 3 × 7 × 19 × 5443
Distinct prime factors: 4
Perfect square: No
Parity: Odd

Arithmetic properties

Positive divisors: 16
Divisor sum: 3,484,160
Proper-divisor sum: 1,312,403
Digit sum: 30
Digital root: 3

Number bases

Decimal: 2171757
Binary: 1000010010001101101101 (22 bits)
Octal: 0o10221555
Hexadecimal: 0x21236D

Divisor catalog (16)

1371921571333995,44316,32938,101103,417114,303310,251723,9192,171,757

Showing 16 of 16.