146
domain: N
Properties
Digital Properties
- Digit Count
- 3
- Digit Sum
- 11
- Digital Root
- 2
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 2
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 222
- Proper Divisor Sum (Aliquot Sum)
- 76
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Highly Composite
- no
- Weird Number
- no
- Untouchable Number
- yes
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 72
- Möbius Function
- 1
- Radical
- 146
- Omega Function (Ω)
- 2
- Little Omega Function (ω)
- 2
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
- 116
- Smith Number
- no
Primality
- Prime
- no
- Composite Number
- yes
- Semiprime
- yes
- 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
- einshundertsechsundvierzig· ordinal: einshundertsechsundvierzigste
- English
- one hundred forty-six· ordinal: one hundred forty-sixth
- Spanish
- ciento cuarenta y seis· ordinal: 146º
- French
- cent quarante-six· ordinal: cent quarante-sixième
- Italian
- centoquarantasei· ordinal: 146º
- Latin
- centum quadraginta sex· ordinal: 146.
- Portuguese
- cento e quarenta e seis· ordinal: 146º
Appears in sequences
- Denumerants: Expansion of 1/((1-x)*(1-x^2)*(1-x^5)).at n=50A000115
- 3*n - 2*floor(sqrt(4*n+5)) + 5.at n=57A000277
- Numbers that are the sum of 2 nonzero squares.at n=49A000404
- Numbers that are the sum of 2 but no fewer nonzero squares.at n=47A000415
- Smallest nonnegative number that is the sum of 3 squares in exactly n ways.at n=4A000437
- Smallest number that is the sum of 3 squares in at least n ways.at n=4A000451
- 1 together with products of 2 or more distinct primes.at n=56A000469
- Number of nonnegative solutions to x^2 + y^2 <= n^2.at n=13A000603
- One half of number of non-self-conjugate partitions; also half of number of asymmetric Ferrers graphs with n nodes.at n=17A000701
- Maximal number of states in the minimal deterministic finite automaton accepting a language over a binary alphabet consisting of some words of length n.at n=9A000802
- Number of primes < prime(n)^2.at n=9A000879
- Number of twin prime pairs < square of n-th prime.at n=21A000885
- Numbers k such that sum of squares of k consecutive integers >= 1 is a square.at n=19A001032
- Number of n-input 2-output switching networks with GL(n,2) acting on the input and S(2) and C(2,2) acting on the output.at n=2A001150
- a(n) = floor(n*log((14/11)*n^(10/9))).at n=34A001195
- a(n) = solution to the postage stamp problem with 3 denominations and n stamps.at n=9A001208
- Image of n under the map n->n/2 if n even, n->3n-1 if n odd.at n=49A001281
- Semiprimes (or biprimes): products of two primes.at n=49A001358
- Triangle of values of 2-d recurrence.at n=48A001404
- Numbers that are the sum of 2 squares.at n=60A001481