2303
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 8
- Digital Root
- 8
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 6
- Divisor Sum
- 2736
- Proper Divisor Sum (Aliquot Sum)
- 433
- 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
- 1932
- Möbius Function
- 0
- Radical
- 329
- Omega Function (Ω)
- 3
- 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
- 58
- 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
- a(n) = 4*n^2 - 1.at n=24A000466
- a(n) = 1000*log(n) rounded to the nearest integer.at n=9A004241
- a(n) = ceiling(1000*log(n)).at n=9A004242
- Primes written in base 4.at n=40A004678
- Record values in A005210.at n=50A005211
- a(n) = n*(n+2) = (n+1)^2 - 1.at n=47A005563
- Coordination sequence for MgNi2, Position Mg1.at n=12A009936
- Pseudoprimes to base 48.at n=19A020176
- n written in fractional base 5/2.at n=53A024632
- a(n) = a(1)*a(n-1) + a(2)*a(n-2) + ... + a(n-3)*a(3) for n >= 4, with initial terms 2, -1, 1, 2.at n=12A025259
- Numbers k such that k^2 and k^3 do not have any common digits.at n=23A029787
- Positions of record values in A030767.at n=49A030772
- Coordination sequence T1 for Zeolite Code TSC.at n=40A033616
- Composite numbers whose prime factors contain no digits other than 4 and 7.at n=4A036318
- Positive numbers having the same set of digits in base 4 and base 10.at n=20A037428
- Positive numbers having the same set of digits in base 5 and base 10.at n=19A037433
- Numbers which are one less than a perfect square that cannot otherwise be written as a power.at n=38A037450
- Coordination sequence T3 for Zeolite Code ESV.at n=32A038412
- Number of partitions satisfying cn(0,5) <= cn(1,5) + cn(2,5) + cn(3,5) and cn(0,5) <= cn(4,5) + cn(2,5) + cn(3,5).at n=26A039845
- Denominators of continued fraction convergents to sqrt(575).at n=5A042103