Properties of the Number 80961

Eighty Thousand Nine Hundred Sixty-One

Basics

Value: 80960 → 80961 → 80962

Parity: odd

Prime: No

Previous Prime: 80953

Next Prime: 80963

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 26987

Divisors: 1, 3, 26987, 80961

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10011110001000001

Octal: 236101

Duodecimal: 3AA29

Hexadecimal: 13c41

Square: 6554683521

Square Root: 284.5364651498995

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

Number of (w,x,y,z) with all terms in {1,...,n} and w >= |x-y| + |y-z|. A212675

Number of lower triangles of an (n+6)X(n+6) 0..4 array with new values introduced in row major order 0..4 and no element unequal to more than one horizontal or vertical neighbor. A194774

Number of lower triangles of a (2n+5)X(2n+5) 0..n array with new values introduced in row major order 0..n and no element unequal to more than one horizontal or vertical neighbor. A194785

T(n,k)=Number of lower triangles of an (n+2k-2)X(n+2k-2) 0..k array with new values introduced in row major order 0..k and no element unequal to more than one horizontal or vertical neighbor. A194778

Fourth binomial transform of A010686 (period 2: repeat 1,5). A80961