1070
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
- 8
- Divisor Sum
- 1944
- Proper Divisor Sum (Aliquot Sum)
- 874
- 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
- 424
- Möbius Function
- -1
- Radical
- 1070
- 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
- 23
- 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
- A generalized Fibonacci sequence.at n=40A001584
- High temperature series in v = tanh(J/kT) for residual correlation function (correction to susceptibility) for the spin-1/2 Ising model on square lattice.at n=6A002907
- Number of rooted trees with n vertices in which vertices at the same level have the same degree.at n=41A003238
- Numbers that are the sum of 9 positive 5th powers.at n=39A003354
- Number of balanced symmetric graphs.at n=10A005194
- Representation degeneracies for boson strings.at n=30A005290
- Number of partitions of n into partition numbers.at n=34A007279
- Coordination sequence T2 for Zeolite Code MTW.at n=21A008197
- Coordination sequence for 5-dimensional lonsdaleite.at n=6A008525
- If a, b in sequence, so is a*b+2.at n=41A009299
- a(n) is the concatenation of n and 7n.at n=9A009441
- Coordination sequence for FeS2-Pyrite, Fe position.at n=15A009957
- Expansion of e.g.f. arcsin(arcsin(x) * exp(x)).at n=6A012317
- Number of 3's in partitions of n into distinct parts.at n=46A015737
- Number of partitions of n into distinct parts, none being 3.at n=44A015745
- Expansion of 1/((1-3x)(1-5x)(1-6x)).at n=3A017269
- Numbers k such that the continued fraction for sqrt(k) has period 14.at n=48A020353
- Numbers k such that Fibonacci(k) == -55 (mod k).at n=27A023170
- Convolution of natural numbers >= 2 and natural numbers >= 3.at n=14A023545
- Base 5 expansion uses each positive digit just once.at n=39A023743