5377
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 22
- Digital Root
- 4
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 5680
- Proper Divisor Sum (Aliquot Sum)
- 303
- 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
- 5076
- Möbius Function
- 1
- Radical
- 5377
- 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
- 72
- 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
- Number of partitions into non-integral powers.at n=14A000339
- a(n) = Fibonacci(n)*2^n + 1.at n=8A006483
- Pseudoprimes to base 45.at n=33A020173
- Numbers k such that the continued fraction for sqrt(k) has period 98.at n=2A020437
- Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 50 ones.at n=4A031818
- Sums of 4 distinct powers of 4.at n=31A038472
- Numbers whose base-4 representation contains exactly three 0's and four 1's.at n=16A045032
- Number of Baxter permutations: A001181/2.at n=6A046996
- a(n)=a(n-1)+a(n-2)-d, where d=a(n/3) if 3 divides n, else d=0; 2 initial terms.at n=20A050193
- Numbers k such that 299*2^k + 1 is prime.at n=24A053366
- Fifth spoke of a hexagonal spiral.at n=42A056109
- a(n) = min( x : x^3 + n^3 == 0 mod (x+n-1) ).at n=42A066486
- Least k for the Theodorus spiral to complete n revolutions.at n=22A072895
- Smallest integers at which the value of truncated Mertens function equals n!.at n=5A093774
- Positions of records for terms in the continued fraction of Catalan's constant.at n=9A099790
- Semiprimes n such that 3*n - 2 is a square.at n=36A112393
- Semiprimes in A056109.at n=19A113528
- n times n+2 gives the concatenation of two numbers m and m-9.at n=1A116226
- Lucky numbers for which the product of the digits is also a lucky number.at n=43A118556
- Inverse permutation to sequence A083872.at n=16A119628