Properties of the Number 34047

Thirty-Four Thousand Forty-Seven

Basics

Value: 34046 → 34047 → 34048

Parity: odd

Prime: No

Previous Prime: 34039

Next Prime: 34057

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ³ × 13 × 97

Divisors: 1, 3, 9, 13, 27, 39, 97, 117, 291, 351

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: Yes

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1000010011111111

Octal: 102377

Duodecimal: 17853

Hexadecimal: 84ff

Square: 1159198209

Square Root: 184.51829177618137

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Number of immersions of the oriented circle into the unoriented plane with n double points. A8982

Number of vertices in an equilateral triangle "frame" of size n (see Comments in A328526 for definition). A333031

The third left hand column of triangle A167552. A167555

Triangular array read by rows: row n shows the coefficients of the polynomial p(x,n) constructed as in Comments; these polynomials form a strong divisibility sequence. A328644

COMPOSE primes with primes. A30278

Monotonic ordering of set S generated by these rules: if·and y are in S then x²+y²+xy is in S, and 1 is in S. A192535

Heptagonal numbers for which the sum of the digits is also a heptagonal number. A117650

Discriminants of real quadratic fields with class number 2 and related continued fraction period length of 17. A51982

A general recursion triangle with third part a power triangle:m=2; Power triangle: f(n,k,m)=If[n·k*(n - k) == 0, 1, n^m - (k^m + (n - k)^m)]; Recursion: A(n,k,m)=(m*(n - k) + 1)*A(n - 1, k - 1, m) + (m·k + 1)*A(n - 1, k, m) + m·f(n, k, m)*A(n - 2, k - 1, m). A157629

Numbers that are primitively or imprimitively represented by x²+y²+z², but not both. A34047