Properties of the Number 66148

Sixty-Six Thousand One Hundred Forty-Eight

Basics

Value: 66147 → 66148 → 66149

Parity: even

Prime: No

Previous Prime: 66137

Next Prime: 66161

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 ² × 23 × 719

Divisors: 1, 2, 4, 23, 46, 92, 719, 1438, 2876, 16537

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000001001100100

Octal: 201144

Duodecimal: 32344

Hexadecimal: 10264

Square: 4375557904

Square Root: 257.19253488388813

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

a(n) is the largest integer m such that mⁿ <= n^prime(n). A318199

a(n) = (1/24)*(n+1)*(3·n³+59·n²+358·n+648). A90949

Number of n X 6 0..1 arrays with every element equal to 2, 3, 5 or 6 king-move adjacent elements, with upper left element zero. A298085

T(n,k)=Number of nXk 0..1 arrays with every element equal to 2, 3, 5 or 6 king-move adjacent elements, with upper left element zero. A298087

Primes with an even number of 0's in binary expansion. A66148