1035
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 9
- Digital Root
- 9
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 12
- Divisor Sum
- 1872
- Proper Divisor Sum (Aliquot Sum)
- 837
- 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
- 528
- Möbius Function
- 0
- Radical
- 345
- 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
- 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
- no
- Harshad Number
- yes
- Narcissistic Number
- no
- Collatz Steps
- 124
- Smith Number
- no
- Vampire 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
- no
- Odd
- yes
Appears in sequences
- Hexagonal numbers: a(n) = n*(2*n-1).at n=23A000384
- Number of compositions of n into 3 ordered relatively prime parts.at n=46A000741
- Doubly triangular numbers: a(n) = n*(n+1)*(n^2+n+2)/8.at n=9A002817
- Numbers that are the sum of 12 positive 5th powers.at n=48A003357
- Degrees of irreducible representations of Mathieu group M_23.at n=15A003858
- Degrees of irreducible representations of Mathieu group M_24.at n=13A003859
- Degrees of irreducible representations of Mathieu group M_24.at n=14A003859
- Degrees of irreducible representations of Mathieu group M_24.at n=15A003859
- Primes written in base 6.at n=51A004680
- Numbers that are the sum of 12 positive 10th powers.at n=1A004812
- Numbers that are the sum of at most 12 nonzero 10th powers.at n=24A004907
- a(n) = 2^n + n + 1.at n=10A005126
- Centered tetrahedral numbers.at n=11A005894
- Related to representations as sums of Fibonacci numbers.at n=53A006132
- Coefficient of x^4 in (1-x-x^2)^(-n).at n=8A006504
- Coordination sequence T2 for Coesite.at n=17A008268
- Crystal ball sequence for planar net 3.6.3.6.at n=21A008580
- Multiples of 23.at n=45A008605
- Coordination sequence T4 for Zeolite Code -CLO.at n=28A009853
- Binomial coefficient C(46,n).at n=2A010962