6070
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 13
- Digital Root
- 4
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 8
- Divisor Sum
- 10944
- Proper Divisor Sum (Aliquot Sum)
- 4874
- 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
- 2424
- Möbius Function
- -1
- Radical
- 6070
- Omega Function (Ω)
- 3
- 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
- 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
- 155
- Smith Number
- no
- Vampire Number
- no
Primality
- Prime
- no
- Composite Number
- yes
- Semiprime
- no
- 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 ways in which n identical balls can be distributed among 5 boxes in a row such that each pair of adjacent boxes contains at least 4 balls.at n=13A005338
- Coordination sequence for Cr3Si, Cr position.at n=20A009928
- Numbers k such that the continued fraction for sqrt(k) has period 74.at n=13A020413
- a(n) = sum of the numbers between the two n's in A026370.at n=40A026373
- Expansion of (1/(1-x^2))*Product_{m>=0} 1/(1-x^(2m+1)).at n=42A038348
- Numbers having three 6's in base 8.at n=31A043447
- Becomes prime or 4 after exactly 8 iterations of f(x) = sum of prime factors of x.at n=16A048130
- Number of points in N^4 of norm <= n.at n=11A055403
- If n < 8 then A058966(n), else n*2^(n - 3) - 2*n - 50.at n=9A058967
- Numbers k such that 2^k - 15 is prime.at n=22A059612
- Nearest integer to log(n)^(sqrt(n)*log(n)).at n=12A062424
- Interprimes which are of the form s*prime, s=10.at n=17A075285
- Sum of squares of numbers that can be written as t*n + u*(n+1) for nonnegative integers t,u in exactly one way.at n=3A076460
- Record-setting differences between adjacent elements of the Mian-Chowla sequence variant A058335.at n=35A080931
- Starting positions of strings of three 8's in the decimal expansion of Pi.at n=4A083637
- Sum of smallest parts of all partitions of n into distinct parts.at n=46A092265
- Structured truncated tetrahedral numbers.at n=14A100156
- Numbers k > 0 such that (10's complement factorial of k) + 1 is prime.at n=20A109616
- Numbers m such that A132575(m) = m.at n=16A132579
- a(n) = 250*n - 180.at n=25A154360