Properties of the Number 64801

Sixty-Four Thousand Eight Hundred One

Basics

Value: 64800 → 64801 → 64802

Parity: odd

Prime: No

Previous Prime: 64793

Next Prime: 64811

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 11 × 43 × 137

Divisors: 1, 11, 43, 137, 473, 1507, 5891, 64801

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1111110100100001

Octal: 176441

Duodecimal: 31601

Hexadecimal: fd21

Square: 4199169601

Square Root: 254.56040540508258

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

The number of unlabeled graded posets with n elements. A361912

Number of partitions of the (n+4)-multiset {0,...,0,1,2,3,4} with n 0's into distinct multisets. A346824

Numbers k such that 7*(10^k - 1)/9 - 3·10^floor(k/2) is a palindromic wing prime (also known as near-repdigit palindromic prime). A77781

a(n) = 50·n² + 1. A157916

a(n) = 72·n² + 1. A158740

Number of 3Xn arrays containing n copies of 0..3-1 with no element 1 greater than its north, west or northwest neighbor modulo 3 and the upper left element equal to 0. A266833

p² + (p+2)² - 1 where (p,p+2) is the n-th twin prime pair. A184417

Numbers n such that 69·2ⁿ-1 is prime. A50560

Take 1, skip 2, take 2, skip 3, take 3, etc. A64801

T(n,k)=Number of nXk arrays containing k copies of 0..n-1 with every element equal to or 1 greater than any north, west or northwest neighbors modulo n and the upper left element equal to 0. A267401