Integer Profile

1,871,871

3 × 623957

Prime factors, divisor sums, positional representations and sequence properties for 1,871,871. The prime factorization is 3 × 623957.

Number of positive divisors: 4. Showing the recorded part of the sequence: 140.

DeficientOddComposite

Collatz trajectory (140 steps)

Even: n → n/2; Odd: n → 3n + 1

1,871,8715,615,6142,807,8078,423,4224,211,71112,635,1346,317,56718,952,7029,476,35128,429,05414,214,52742,643,58221,321,79163,965,37431,982,68795,948,06247,974,031143,922,09471,961,047215,883,142107,941,571323,824,714161,912,357485,737,072242,868,536121,434,26860,717,13430,358,56791,075,70245,537,851136,613,55468,306,777204,920,332102,460,16651,230,083153,690,25076,845,125230,535,376115,267,68857,633,84428,816,92214,408,46143,225,38421,612,69210,806,3465,403,17316,209,5208,104,7604,052,3802,026,1901,013,0953,039,2861,519,6434,558,9302,279,4656,838,3963,419,1981,709,5995,128,7982,564,399

Showing 60 of 60.

Prime factorization

Factorization: 3 × 623957
Distinct prime factors: 2
Perfect square: No
Parity: Odd

Arithmetic properties

Positive divisors: 4
Divisor sum: 2,495,832
Proper-divisor sum: 623,961
Digit sum: 33
Digital root: 6

Number bases

Decimal: 1871871
Binary: 111001000111111111111 (21 bits)
Octal: 0o7107777
Hexadecimal: 0x1C8FFF

Divisor catalog (4)

13623,9571,871,871

Showing 4 of 4.