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Properties of the Number 60605

Sixty Thousand Six Hundred Five

Basics

Value: 60604 → 60605 → 60606

Parity: odd

Prime: No

Previous Prime: 60601

Next Prime: 60607

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 5 × 17 × 23 × 31

Divisors: 1, 5, 17, 23, 31, 85, 115, 155, 391, 527

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1110110010111101

Octal: 166275

Duodecimal: 2B0A5

Hexadecimal: ecbd

Square: 3672966025

Square Root: 246.18082784814905

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

a(n) = 5·a(n-1) - a(n-2) for n > 1, a(0) = 0, a(1) = 1. A4254
Triangular array T(n,k), read by rows: coefficients of strong divisibility sequence of polynomials p(1,x) = 1, p(2,x) = 1 + 5x, p(n,x) = u·p(n-1,x) + v·p(n-2,x) for n >=3, where u = p(2,x), v = 1 - x - x2. A367210
Triangle of Salie numbers. A65547
Triangular array T(n,k), read by rows: coefficients of strong divisibility sequence of polynomials p(1,x) = 1, p(2,x) = 2 + 5·x, p(n,x) = u·p(n-1,x) + v·p(n-2,x) for n >= 3, where u = p(2,x), v = 1 - 2·x - x2. A367299
T(n,k)=Number of (n+1)X(k+1) 0..1 arrays with every element equal to some horizontal or antidiagonal neighbor, with top left element zero. A232316
Triangle read by rows: T(0,0)=1; for n >= 1 T(n,k) is the coefficient of xk in the monic characteristic polynomial of the tridiagonal n X n matrix with main diagonal 5,5,5,... and sub- and superdiagonals 1,1,1,... (0 <= k <= n). A123967
Triangle T(n, k, m) = t(n, m)/(t(k, m)*t(n-k, m)), where t(n, k) = ∏j=1..n p(j, k+1), p(n, x) = ∑j=0..n (-1)j*A053122(n, j)*xj, and m = 6, read by rows. A156600
Triangle of coefficients of Chebyshev's S(n,x+5) polynomials (exponents of·in increasing order). A207824
Numbers k such that k and k+1 have at least 4 but not both exactly 4 distinct prime factors. A321494
Denominators in continued fraction [0; 1, 3, 1, 3, 1, 3, ...]. A136211