Properties of the Number 41664

Forty-One Thousand Six Hundred Sixty-Four

Basics

Value: 41663 → 41664 → 41665

Parity: even

Prime: No

Previous Prime: 41659

Next Prime: 41669

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 ⁶ × 3 × 7 × 31

Divisors: 1, 2, 3, 4, 6, 7, 8, 12, 14, 16

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: Yes

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010001011000000

Octal: 121300

Duodecimal: 20140

Hexadecimal: a2c0

Square: 1735888896

Square Root: 204.11761315476917

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

Sum of the first n even squares: a(n) = 2·n*(n+1)*(2·n+1)/3. A2492

Triangle read by rows: T(n,k) = binomial(n², k), 0 <= k <= n. A90642

Matrix inverse of triangle A022166. A135950

53 'Reverse and Add' steps are needed to reach a palindrome. A65320

Triangle, read by rows, where T(n,k) = C(C(n+2,3) - C(k+2,3), n-k) for n >= k >= 0. A126445

Triangle read by rows generated from (x-1)*(x-2)*(x-4)*... A158474

Array read by antidiagonals: A(n,k) is the number of nonequivalent binary matrices with k columns and any number of distinct nonzero rows with n ones in every column up to permutation of rows and columns. A331510

Positions of records in A227872, i.e., integers whose number of odious divisors sets a new record. A355969

Number of ways to choose three points in an (n X n)-grid (or geoplane). A178208

Numbers with prime factorization pqrs⁶. A190292