Integer Profile

221,540

2^2 × 5 × 11 × 19 × 53

Prime factors, divisor sums, positional representations and sequence properties for 221,540. The prime factorization is 2^2 × 5 × 11 × 19 × 53.

Number of positive divisors: 48. Showing the recorded part of the sequence: 93.

AbundantEvenComposite

Arithmetic properties

Positive divisors: 48
Divisor sum: 544,320
Proper-divisor sum: 322,780
Digit sum: 14
Digital root: 5

Number bases

Decimal: 221540
Binary: 110110000101100100 (18 bits)
Octal: 0o660544
Hexadecimal: 0x36164

Divisor catalog (48)

124510111920223844535576951061101902092122202653804185305838361,0071,0451,0601,1662,0142,0902,3322,9154,0284,1805,0355,83010,07011,07711,66020,14022,15444,30855,385110,770221,540

Showing 48 of 48.

Collatz trajectory (93 steps)

Even: n → n/2; Odd: n → 3n + 1

221,540110,77055,385166,15683,07841,539124,61862,309186,92893,46446,73223,36611,68335,05017,52552,57626,28813,1446,5723,2861,6434,9302,4657,3963,6981,8495,5482,7741,3874,1622,0816,2443,1221,5614,6842,3421,1713,5141,7575,2722,6361,3186591,9789892,9681,4847423711,1145571,672836418209628314157472236

Showing 60 of 60.

Prime factorization

Factorization: 2^2 × 5 × 11 × 19 × 53
Distinct prime factors: 5
Perfect square: No
Parity: Even