1101
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 3
- Digital Root
- 3
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 1472
- Proper Divisor Sum (Aliquot Sum)
- 371
- 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
- 732
- Möbius Function
- 1
- Radical
- 1101
- 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
- yes
- Narcissistic Number
- no
- Collatz Steps
- 93
- Smith Number
- no
- Vampire 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
Appears in sequences
- Boustrophedon transform of Catalan numbers.at n=6A000753
- Smallest natural number requiring n words in English (as spoken in England).at n=5A001167
- a(1)=0, a(2n) = a(n)+1, a(2n+1) = 10*a(n+1).at n=41A001202
- Primes in ternary.at n=11A001363
- Squares written in base 4.at n=9A001739
- Number of integral points in a certain sequence of closed quadrilaterals.at n=49A002579
- Numbers that are the sum of 9 positive 5th powers.at n=41A003354
- Least positive multiple of n written in base 3 using only 0 and 1.at n=36A004283
- Least positive multiple of n written in base 4 using only 0 and 1.at n=26A004284
- Least positive multiple of n written in base 4 using only 0 and 1.at n=8A004284
- Least positive multiple of n written in base 6 using only 0 and 1.at n=10A004286
- Least positive multiple of n written in base 6 using only 0 and 1.at n=22A004286
- Powers of 3 written in base 4.at n=4A004658
- Primes written in base 2.at n=5A004676
- Primes written in base 5.at n=35A004679
- Fibonacci numbers written in base 2.at n=7A004685
- Representation degeneracies for Neveu-Schwarz strings.at n=17A005299
- Positions of remoteness 5 in Beans-Don't-Talk.at n=39A005697
- Discriminants of totally real cubic fields.at n=29A006832
- The binary numbers (or binary words, or binary vectors, or binary expansion of n): numbers written in base 2.at n=13A007088