836
domain: N
Properties
Digital Properties
- Digit Count
- 3
- Digit Sum
- 17
- Digital Root
- 8
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 12
- Divisor Sum
- 1680
- Proper Divisor Sum (Aliquot Sum)
- 844
- Abundant Number
- yes
- Perfect Number
- no
- Deficient Number
- no
- Highly Composite
- no
- Weird Number
- yes
- Untouchable Number
- no
- Primitive Abundant
- yes
Derived Values
- Euler's Totient
- 360
- Möbius Function
- 0
- Radical
- 418
- Omega Function (Ω)
- 4
- 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
- yes
- Harshad Number
- no
- Narcissistic Number
- no
- Collatz Steps
- 41
- Smith Number
- no
Primality
- Prime
- no
- Composite Number
- yes
- Semiprime
- no
- Squarefree Number
- no
- 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
- achthundertsechsunddreißig· ordinal: achthundertsechsunddreißigste
- English
- eight hundred thirty-six· ordinal: eight hundred thirty-sixth
- Spanish
- ochocientos treinta y seis· ordinal: 836º
- French
- huit cent trente-six· ordinal: huit cent trente-sixième
- Italian
- ottocentotrentasei· ordinal: 836º
- Latin
- octingenti triginta sex· ordinal: 836.
- Portuguese
- oitocentos e trinta e seis· ordinal: 836º
Appears in sequences
- Expansion of Product_{k>=1} (1 - x^k)^12.at n=9A000735
- Iccanobif numbers: reverse digits of two previous terms and add.at n=11A001129
- Number of permutations of [n] with n-4 sequences.at n=2A001760
- Numbers whose square is a palindrome.at n=14A002778
- Primitive weird numbers: weird numbers with no proper weird divisors.at n=1A002975
- a(n) = floor(Fibonacci(n)/5).at n=19A004698
- a(n) = floor(n*phi^9), where phi is the golden ratio, A001622.at n=11A004924
- a(n) = round(n*phi^9), where phi is the golden ratio, A001622.at n=11A004944
- P-positions in Epstein's Put or Take a Square game.at n=24A005240
- Weird numbers: abundant (A005101) but not pseudoperfect (A005835).at n=1A006037
- Primitive nondeficient numbers.at n=15A006039
- Numbers k such that phi(x) = k has exactly 3 solutions.at n=33A007367
- Impractical numbers: even abundant numbers (A173490) that are not practical(2) (A007620).at n=47A007621
- Coordination sequence T1 for Zeolite Code BRE.at n=19A008058
- Coordination sequence T4 for Zeolite Code DAC.at n=18A008070
- Coordination sequence T2 for Zeolite Code MAZ.at n=20A008145
- Coordination sequence T4 for Zeolite Code MEI.at n=21A008149
- Multiples of 19.at n=44A008601
- Multiples of 22.at n=38A008604
- Theta series of direct sum of f.c.c. and b.c.c. lattices.at n=24A008664