Integer Profile

1,271,781

3^4 × 7 × 2243

Prime factors, divisor sums, positional representations and sequence properties for 1,271,781. The prime factorization is 3^4 × 7 × 2243.

Number of positive divisors: 20. Showing the recorded part of the sequence: 129.

DeficientOddComposite

Number bases

Decimal: 1271781
Binary: 100110110011111100101 (21 bits)
Octal: 0o4663745
Hexadecimal: 0x1367E5

Divisor catalog (20)

1379212763811895672,2436,72915,70120,18747,10360,561141,309181,683423,9271,271,781

Showing 20 of 20.

Collatz trajectory (129 steps)

Even: n → n/2; Odd: n → 3n + 1

1,271,7813,815,3441,907,672953,836476,918238,459715,378357,6891,073,068536,534268,267804,802402,4011,207,204603,602301,801905,404452,702226,351679,054339,5271,018,582509,2911,527,874763,9372,291,8121,145,906572,9531,718,860859,430429,7151,289,146644,5731,933,720966,860483,430241,715725,146362,5731,087,720543,860271,930135,965407,896203,948101,97450,987152,96276,481229,444114,72257,361172,08486,04243,021129,06464,53232,26616,13348,400

Showing 60 of 60.

Prime factorization

Factorization: 3^4 × 7 × 2243
Distinct prime factors: 3
Perfect square: No
Parity: Odd

Arithmetic properties

Positive divisors: 20
Divisor sum: 2,172,192
Proper-divisor sum: 900,411
Digit sum: 27
Digital root: 9