Properties of the Number 60645

Sixty Thousand Six Hundred Forty-Five

Basics

Value: 60644 → 60645 → 60646

Parity: odd

Prime: No

Previous Prime: 60637

Next Prime: 60647

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 5 × 13 × 311

Divisors: 1, 3, 5, 13, 15, 39, 65, 195, 311, 933

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1110110011100101

Octal: 166345

Duodecimal: 2B119

Hexadecimal: ece5

Square: 3677816025

Square Root: 246.26205554246476

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

Triangle T(n,k) of n X n binary matrices with k=0..n² ones under action of dihedral group of the square D₄. A54252

a(n) = ∑_{1 <= i, j, k, l, m <= n} gcd(i,j,k,l,m). A344524

Auxiliary c(n) sequence used to prove some properties about Rowland's sequence. c(n) has the following recursive definition: c(1) = 5, c_n+1 = c(n) + lfp(c(n)) - 1, where lpf(.) denotes the lowest prime factor of a number. A190894

Floor(exp(n)/n³). A132406

a(0) = 0, a(1) = 4, then a(n) = 18·a(n-1) - a(n-2). A60645