Properties of the Number 66461

Sixty-Six Thousand Four Hundred Sixty-One

Basics

Value: 66460 → 66461 → 66462

Parity: odd

Prime: No

Previous Prime: 66457

Next Prime: 66463

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 41 × 1621

Divisors: 1, 41, 1621, 66461

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000001110011101

Octal: 201635

Duodecimal: 32565

Hexadecimal: 1039d

Square: 4417064521

Square Root: 257.8003103178893

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 partitions satisfying cn(2,5) <= cn(1,5) + cn(4,5) and cn(3,5) <= cn(1,5) + cn(4,5). A39891

Convert number n to each of the bases from 2 to 10. a(n) is the minimum base that maximizes the sum of digits. A254596

a(3) = 5; a(n) = min(x>1,x²+x·n+n² = 1 mod(x+n)). A66461