2446
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 16
- Digital Root
- 7
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 3672
- Proper Divisor Sum (Aliquot Sum)
- 1226
- 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
- 1222
- Möbius Function
- 1
- Radical
- 2446
- 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
- 133
- 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
- yes
- Odd
- no
Appears in sequences
- Number of nonnegative solutions to x^2 + y^2 + z^2 <= n^2.at n=16A000604
- Number of partitions of n, with three kinds of 1,2,3 and 4 and two kinds of 5,6,7,...at n=10A000711
- Numbers that are the sum of 10 positive 6th powers.at n=34A003366
- Numbers that are the sum of 6 positive 7th powers.at n=9A003373
- Numbers that are the sum of at most 6 positive 7th powers.at n=42A004868
- Coordination sequence T1 for Zeolite Code ABW and ATN.at n=34A008000
- Coordination sequence for alpha-Mn, Position Mn2.at n=13A009951
- Base-9 Armstrong or narcissistic numbers, written in base 9.at n=14A010352
- Numbers k such that the continued fraction for sqrt(k) has period 76.at n=1A020415
- a(n) = floor( a(n-1)/a(1) + a(n-3)/a(3) + a(n-5)/a(5) + ... ), for n >= 3 with a(1) = 1 and a(2) = 3.at n=28A022877
- Positions of records in A030757.at n=43A030762
- Numbers k such that the continued fraction for sqrt(k) has even period and if the last term of the periodic part is deleted the central term is 48.at n=12A031546
- Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 30 ones.at n=8A031798
- Absolute value of first differences of A038552, divided by 24.at n=35A038581
- Denominators of continued fraction convergents to sqrt(985).at n=7A042907
- Numbers n such that string 1,7 occurs in the base 9 representation of n but not of n-1.at n=34A044267
- Numbers n such that string 4,6 occurs in the base 10 representation of n but not of n-1.at n=26A044378
- Numbers k such that string 1,7 occurs in the base 9 representation of k but not of k+1.at n=34A044648
- Numbers n such that string 4,6 occurs in the base 10 representation of n but not of n+1.at n=26A044759
- Digits even, nonzero and nondecreasing.at n=45A045927