946
domain: N
Properties
Digital Properties
- Digit Count
- 3
- Digit Sum
- 19
- Digital Root
- 1
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 8
- Divisor Sum
- 1584
- Proper Divisor Sum (Aliquot Sum)
- 638
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Highly Composite
- no
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 420
- Möbius Function
- -1
- Radical
- 946
- 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
- yes
- Perfect Square
- no
- Perfect Cube
- no
- Pentagonal Number
- no
- Hexagonal Number
- yes
- 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
- 36
- 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
- neunhundertsechsundvierzig· ordinal: neunhundertsechsundvierzigste
- English
- nine hundred forty-six· ordinal: nine hundred forty-sixth
- Spanish
- novecientos cuarenta y seis· ordinal: 946º
- French
- neuf cent quarante-six· ordinal: neuf cent quarante-sixième
- Italian
- novecentoquarantasei· ordinal: 946º
- Latin
- nongenti quadraginta sex· ordinal: 946.
- Portuguese
- novecentos e quarenta e seis· ordinal: 946º
Appears in sequences
- Related to zeros of Bessel function.at n=5A000175
- Hexagonal numbers: a(n) = n*(2*n-1).at n=22A000384
- Expansion of 1/((1-x)^2*(1-x^2)*(1-x^5)).at n=34A001304
- Numbers k such that 45*2^k - 1 is prime.at n=35A002242
- Numbers of the form (p^2 - 49)/120 where p is prime.at n=34A002382
- Hexagonal pyramidal numbers, or greengrocer's numbers.at n=11A002412
- Expansion of 1/((1-x)^4*(1+x)).at n=20A002623
- Numbers that are a sum of distinct positive cubes in more than one way.at n=33A003998
- Binomial coefficient C(4n,n-9).at n=2A004339
- Numbers k such that k^16 + 1 is prime.at n=44A006313
- Numbers k such that k divides 2^k + 2.at n=4A006517
- Number of planted binary phylogenetic trees with n labels.at n=5A006679
- Add 5, then reverse digits!.at n=29A007397
- Number of partitions of n in which no part occurs just once.at n=36A007690
- Coordination sequence T3 for Zeolite Code DOH.at n=19A008080
- Coordination sequence T3 for Zeolite Code MTW.at n=20A008198
- Coordination sequence T6 for Zeolite Code MTW.at n=20A008201
- Multiples of 22.at n=43A008604
- Coordination sequence T3 for Zeolite Code iRON.at n=21A009883
- Coordination sequence T1 for Zeolite Code RSN.at n=20A009885