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Properties of the Number 17406

Seventeen Thousand Four Hundred Six

Basics

Value: 17405 → 17406 → 17407

Parity: even

Prime: No

Previous Prime: 17401

Next Prime: 17417

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 2 × 967

Divisors: 1, 2, 3, 6, 9, 18, 967, 1934, 2901, 5802

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 100001111111110

Octal: 41776

Duodecimal: A0A6

Hexadecimal: 43fe

Square: 302968836

Square Root: 131.93180056377614

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

T(n,k)=Number of nXk 0..2 arrays with no element unequal to a strict majority of its horizontal and antidiagonal neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards. A280480
T(n,k)=Number of (n+1)X(k+1) 0..2 arrays colored with the sets of distinct values in every 2X2 subblock, with new values 0..2 introduced row-major order. A236164
a(n) = 3·2*1 - 6·5*4 + 9·8*7 - 12·11·10 + 15·14·13 - 18·17·16 + ... - (up to the n-th term). A319886
The lexicographically earliest sequence of binary encodings of solutions satisfying the equation given in A059871. A59873
Central element of a series of 5 successive nonsquarefree numbers. A188296
Numerators of continued fraction convergents to sqrt(515). A41984
a(n) = T(3,n), array T given by A047858. A47860
Coefficients of the sixth-order mock θ function psi-(q). A153252
a(n) is the numerator of the generalized continued fraction with terms σ(m)/m for m=1 to n. A254059
Number of (n+1) X (2+1) 0..2 arrays colored with the sets of distinct values in every 2 X 2 subblock, with new values 0..2 introduced row-major order. A236158