Properties of the Number 84611

Eighty-Four Thousand Six Hundred Eleven

Basics

Value: 84610 → 84611 → 84612

Parity: odd

Prime: No

Previous Prime: 84589

Next Prime: 84629

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 211 × 401

Divisors: 1, 211, 401, 84611

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100101010000011

Octal: 245203

Duodecimal: 40B6B

Hexadecimal: 14a83

Square: 7159021321

Square Root: 290.8797002198675

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

Right edge of triangle A297495. A297496

Number of n X n binary arrays with all ones connected only in a 2X4 el 1,1 1,2 1,3 1,4 2,4 with any orientation. A146015

Number of n X n binary arrays symmetric under horizontal and vertical reflection with all ones connected only in a 2X4 el 1,1 1,2 1,3 1,4 2,4 with any orientation. A146017

a(n) = sum of absolute values of coefficients of (1+x-x²)ⁿ. A84611

Triangle T(n,k) (n>=0, 0<=k<=n) read by rows: use T(n,k)=T(n,k-1)+T(n-1,k-1) rule except left edge is the sequence read by rows, initial values are T(0,0)=T(1,0)=1. A297495