4377
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 21
- Digital Root
- 3
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 5840
- Proper Divisor Sum (Aliquot Sum)
- 1463
- 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
- 2916
- Möbius Function
- 1
- Radical
- 4377
- 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
- 77
- 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
- Numbers that are the sum of 5 positive 7th powers.at n=11A003372
- Numbers that are the sum of at most 5 positive 7th powers.at n=39A004867
- Number of points on surface of tricapped prism: a(n) = 7*n^2 + 2 for n > 0, a(0)=1.at n=25A005919
- Numbers k such that the continued fraction for sqrt(k) has period 54.at n=16A020393
- Ternary expansion uses each positive digit just once.at n=50A023741
- 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 44.at n=16A031542
- Lucky numbers with size of gaps equal to 14 (upper terms).at n=18A031897
- Numbers k such that 131*2^k+1 is prime.at n=23A032415
- Number of partitions of n with equal number of parts congruent to each of 0 and 4 (mod 5).at n=35A035555
- Number of partitions of n such that cn(0,5) = cn(1,5) < cn(2,5) = cn(4,5) < cn(3,5).at n=66A036874
- Coordination sequence T13 for Zeolite Code STT.at n=44A038420
- Number of partitions satisfying cn(1,5) + cn(4,5) <= cn(2,5) and cn(1,5) + cn(4,5) <= cn(3,5).at n=39A039876
- Denominators of continued fraction convergents to sqrt(612).at n=9A042175
- Numbers whose base-4 representation has exactly 7 runs.at n=4A043598
- Numbers k such that number of runs in the base 4 representation of k is congruent to 1 mod 6.at n=22A043838
- Numbers n such that number of runs in the base 4 representation of n is congruent to 0 mod 7.at n=4A043843
- Numbers n such that number of runs in the base 4 representation of n is congruent to 7 mod 8.at n=4A043857
- Numbers n such that number of runs in the base 4 representation of n is congruent to 7 mod 9.at n=4A043865
- Numbers k such that the number of runs in the base-4 representation of k is congruent to 7 (mod 10).at n=4A043874
- Numbers whose base-4 representation contains exactly two 0's and four 1's.at n=20A045027