Properties of the Number 66149

Sixty-Six Thousand One Hundred Forty-Nine

Basics

Value: 66148 → 66149 → 66150

Parity: odd

Prime: No

Previous Prime: 66137

Next Prime: 66161

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 29 × 2281

Divisors: 1, 29, 2281, 66149

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000001001100101

Octal: 201145

Duodecimal: 32345

Hexadecimal: 10265

Square: 4375690201

Square Root: 257.19447894540815

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

Numbers whose arithmetic derivative (A003415) is a primorial number (A002110) > 1. A327978

T(n,k)=Number of nXk 0..1 arrays with every element unequal to 0, 1, 2, 3, 6 or 7 king-move adjacent elements, with upper left element zero. A306053

Solution of the complementary equation a(n) = a(n-1) + 3·a(n-2) -2·a(n-3) - 2·a(n-4) + b(n-4), where a(0) = 1, a(1) = 2, a(2) = 3, a(3) = 4, b(0) = 5, b(1) = 6, b(2) = 7, b(3) = 8, and (a(n)) and (b(n)) are increasing complementary sequences. A295620

a(n) = 54·n² - 1. A158656

Number of nX5 0..1 arrays with every element unequal to 0, 1, 2, 3, 6 or 7 king-move adjacent elements, with upper left element zero. A306050

Number of nX6 0..1 arrays with every element unequal to 0, 1, 2, 3, 6 or 7 king-move adjacent elements, with upper left element zero. A306051

Primes with an odd number of 0's in binary expansion. A66149