Properties of the Number 61210

Sixty-One Thousand Two Hundred Ten

Basics

Value: 61209 → 61210 → 61211

Parity: even

Prime: No

Previous Prime: 61169

Next Prime: 61211

Digit Sum: 10

Digital Root: 1

Palindrome: No

Factorization: 2 × 5 × 6121

Divisors: 1, 2, 5, 10, 6121, 12242, 30605, 61210

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1110111100011010

Octal: 167432

Duodecimal: 2B50A

Hexadecimal: ef1a

Square: 3746664100

Square Root: 247.40654801358835

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

T(n,k)=Equals one maps: number of nXk binary arrays indicating the locations of corresponding elements equal to exactly one of their horizontal and antidiagonal neighbors in a random 0..3 nXk array. A221062

T(n,k)=Equals one maps: number of nXk binary arrays indicating the locations of corresponding elements equal to exactly one of their horizontal and antidiagonal neighbors in a random 0..2 nXk array. A221660

Equals one maps: number of 2Xn binary arrays indicating the locations of corresponding elements equal to exactly one of their horizontal and antidiagonal neighbors in a random 0..3 2Xn array. A221063

Number of (1+1)X(n+1) 0..1 arrays with every element equal to some horizontal or antidiagonal neighbor, with top left element zero. A232317

a(n) = ∑_k=0..n (-1)^k * binomial(3·k,n-k). A360087

A sequence generated from the Narayana triangle considered as a matrix, or from Pascal's triangle. A95266

Numbers which are the fourth powers of their digit sum. A61210