Integer Profile

1,221,855

3 × 5 × 81457

Prime factors, divisor sums, positional representations and sequence properties for 1,221,855. The prime factorization is 3 × 5 × 81457.

Number of positive divisors: 8. Showing the recorded part of the sequence: 111.

DeficientOddComposite

Arithmetic properties

Positive divisors: 8
Divisor sum: 1,954,992
Proper-divisor sum: 733,137
Digit sum: 24
Digital root: 6

Number bases

Decimal: 1221855
Binary: 100101010010011011111 (21 bits)
Octal: 0o4522337
Hexadecimal: 0x12A4DF

Divisor catalog (8)

1351581,457244,371407,2851,221,855

Showing 8 of 8.

Collatz trajectory (111 steps)

Even: n → n/2; Odd: n → 3n + 1

1,221,8553,665,5661,832,7835,498,3502,749,1758,247,5264,123,76312,371,2906,185,64518,556,9369,278,4684,639,2342,319,6176,958,8523,479,4261,739,7135,219,1402,609,5701,304,7853,914,3561,957,178978,5892,935,7681,467,884733,942366,9711,100,914550,4571,651,372825,686412,8431,238,530619,2651,857,796928,898464,4491,393,348696,674348,3371,045,012522,506261,253783,760391,880195,94097,97048,985146,95673,47836,739110,21855,109165,32882,66441,33220,66610,33331,00015,5007,750

Showing 60 of 60.

Prime factorization

Factorization: 3 × 5 × 81457
Distinct prime factors: 3
Perfect square: No
Parity: Odd