Properties of the Number 66949

Sixty-Six Thousand Nine Hundred Forty-Nine

Basics

Value: 66948 → 66949 → 66950

Parity: odd

Prime: Yes

Previous Prime: 66947

Next Prime: 66959

Digit Sum: 34

Digital Root: 7

Palindrome: No

Factorization: 66949

Divisors: 1, 66949

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000010110000101

Octal: 202605

Duodecimal: 328B1

Hexadecimal: 10585

Square: 4482168601

Square Root: 258.74504826179765

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

Primes having only {4, 6, 9} as digits. A107666

Numbers k such that 10^k - 9^k is prime. A62576

a(n) is the smallest number whose sum with any previous term is abundant. A383398

Take the sum of the previous two terms, subtract n if this sum is greater than n. A66949