Properties of the Number 64164

Sixty-Four Thousand One Hundred Sixty-Four

Basics

Value: 64163 → 64164 → 64165

Parity: even

Prime: No

Previous Prime: 64157

Next Prime: 64171

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 ² × 3 × 5347

Divisors: 1, 2, 3, 4, 6, 12, 5347, 10694, 16041, 21388

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111101010100100

Octal: 175244

Duodecimal: 31170

Hexadecimal: faa4

Square: 4117018896

Square Root: 253.30613889126334

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) = a(n-1) + 3·a(n-2) -2·a(n-3) - 2·a(n-4), where a(0) = -2, a(1) = 1, a(2) = 0, a(3) = 1. A295860

Irregular triangle read by rows: T(n,k) (n >= 1, 0 <= k <= [n/2]) = number of permutations of 1..n with [n/2]-k runs of consecutive pairs up and down (divided by 2). A10030

a(n) = ∑_k=1..n (-1)^k-1 * binomial(k+3,4) * floor(n/k). A366939

Number of permutations of length n by rises. A544

a(n) = a(n-1) + 3·a(n-2) -2·a(n-3) - 2·a(n-4), where a(0) = 1, a(1) = -1, a(2) = 1, a(3) = 1. A295728

Numbers k that are a substring of (k-1)*k*(k+1). A316943

Internal digits of k³ include digits of k as substring, k does not end in 0. A383640

Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite MTN = ZSM-39 [Si136O272].qR starting with a T1 atom. A19185

EHS numbers: k such that there is a prime p satisfying k! + 1 == 0 (mod p) and p ≠= 1 (mod k). A64164