246
domain: N
Properties
Digital Properties
- Digit Count
- 3
- Digit Sum
- 12
- Digital Root
- 3
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 8
- Divisor Sum
- 504
- Proper Divisor Sum (Aliquot Sum)
- 258
- Abundant Number
- yes
- Perfect Number
- no
- Deficient Number
- no
- Highly Composite
- no
- Weird Number
- no
- Untouchable Number
- yes
- Primitive Abundant
- yes
Derived Values
- Euler's Totient
- 80
- Möbius Function
- -1
- Radical
- 246
- Omega Function (Ω)
- 3
- Little Omega Function (ω)
- 3
Special
- Factorial
- no
- Catalan Number
- no
- Bell Number
- no
- Motzkin Number
- no
- Primorial
- no
Figurate Numbers
- Fibonacci Number
- no
- Triangular Number
- no
- Perfect Square
- no
- Perfect Cube
- no
- Pentagonal Number
- no
- Hexagonal Number
- no
- Lucas Number
- no
- Tetrahedral Number
- no
- Pell Number
- no
- Tribonacci Number
- no
- Pronic Number
- no
Recreational
- Happy Number
- no
- Harshad Number
- no
- Narcissistic Number
- no
- Collatz Steps
- 47
- Smith Number
- no
Primality
- Prime
- no
- Composite Number
- yes
- Semiprime
- no
- Squarefree Number
- yes
- Prime Power
- no
- Prime Factorization
- no
- Twin Prime
- no
- Mersenne Prime
- no
- Sophie Germain Prime
- no
- Safe Prime
- no
- Powerful Number
- no
- Achilles Number
- no
- Perfect Power
- no
- Smooth Number
- no
- Carmichael Number
- no
Classification
- Even
- yes
- Odd
- no
Names
- German
- zweihundertsechsundvierzig· ordinal: zweihundertsechsundvierzigste
- English
- two hundred forty-six· ordinal: two hundred forty-sixth
- Spanish
- doscientos cuarenta y seis· ordinal: 246º
- French
- deux cent quarante-six· ordinal: deux cent quarante-sixième
- Italian
- duecentoquarantasei· ordinal: 246º
- Latin
- ducenti quadraginta sex· ordinal: 246.
- Portuguese
- duzentos e quarenta e seis· ordinal: 246º
Appears in sequences
- Numbers k such that (2k)^4 + 1 is prime.at n=59A000059
- a(n) = 2^n - n - 2.at n=6A000247
- Number of steps to reach 1 in sequence A000546.at n=47A000547
- Sum of odd Fermat coefficients rounded to nearest integer.at n=8A000968
- Numbers that are divisible by at least three different primes.at n=41A000977
- Smallest even number that is an unordered sum of two odd primes in exactly n ways.at n=16A001172
- a(n) = floor(n*log((14/11)*n^(10/9))).at n=52A001195
- Numbers k such that 11*2^k - 1 is prime.at n=6A001772
- v-pile numbers of the 3-Wythoff game with i=1.at n=57A001958
- A Beatty sequence: floor(n * (sqrt(5) + 3)).at n=46A001962
- a(n) = Fibonacci(n) + n.at n=13A002062
- Number of "cubic partitions" of n: expansion of Product_{k>0} 1/((1-x^(2k))^2*(1-x^(2k-1))) in powers of x.at n=12A002513
- Numbers k such that (4*k^2 + 1)/5 is prime.at n=42A002732
- Length of shortest (or optimal) Golomb ruler with n marks.at n=17A003022
- Number of integers with a shortest addition chain of length n.at n=11A003065
- Number of rooted planar trees with n non-root nodes: circularly cycling the subtrees at the root gives equivalent trees.at n=7A003239
- Numbers that are the sum of 6 positive 4th powers.at n=18A003340
- Numbers that are the sum of 11 positive 4th powers.at n=28A003345
- Numbers that are the sum of 4 positive 5th powers.at n=5A003349
- Least number m such that 10^m == +- 1 mod (10n + 1).at n=57A003566