141
domain: N
Properties
Digital Properties
- Digit Count
- 3
- Digit Sum
- 6
- Digital Root
- 6
- Palindromic Number
- yes
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 192
- Proper Divisor Sum (Aliquot Sum)
- 51
- 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
- 92
- Möbius Function
- 1
- Radical
- 141
- 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
- 15
- 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
- no
- Odd
- yes
Names
- German
- einshunderteinundvierzig· ordinal: einshunderteinundvierzigste
- English
- one hundred forty-one· ordinal: one hundred forty-first
- Spanish
- ciento cuarenta y uno· ordinal: 141º
- French
- cent quarante et un· ordinal: cent quarante et unième
- Italian
- centoquarantuno· ordinal: 141º
- Latin
- centum quadraginta unus· ordinal: 141.
- Portuguese
- cento e quarenta e um· ordinal: 141º
Appears in sequences
- Positive zeros of Bessel function of order 0 rounded to nearest integer.at n=44A000134
- Expansion of g.f. Product_{k >= 1} (1 - x^k)^(-k*(k+1)/2).at n=6A000294
- Numbers that are the sum of 3 but no fewer nonzero squares.at n=61A000419
- 1 together with products of 2 or more distinct primes.at n=52A000469
- Number of steps to reach 1 in sequence A000546.at n=14A000547
- A Beatty sequence: [ n(e+1) ].at n=37A000572
- Numbers ending with a vowel in American English.at n=63A000861
- Lucky numbers.at n=30A000959
- n! never ends in this many 0's.at n=26A000966
- Number of graphical basis partitions of 2n.at n=12A001130
- a(n) = floor(n*log((14/11)*n^(10/9))).at n=33A001195
- Expansion of 1/((1-x)^2*(1-x^2)*(1-x^5)).at n=16A001304
- Semiprimes (or biprimes): products of two primes.at n=45A001358
- Number of ways of making change for n cents using coins of 1, 2, 4, 10 cents.at n=33A001362
- Number of ways of making change for n cents using coins of 1, 2, 4, 10 cents.at n=32A001362
- Number of partitions of n into at most 5 parts.at n=18A001401
- Triangle of values of 2-d recurrence.at n=38A001404
- Numbers with an odd number of digits.at n=51A001633
- List of numbers whose digits contain no loops (version 1).at n=60A001729
- a(n) = 3 * prime(n).at n=14A001748