Properties of the Number 66466

Sixty-Six Thousand Four Hundred Sixty-Six

Basics

Value: 66465 → 66466 → 66467

Parity: even

Prime: No

Previous Prime: 66463

Next Prime: 66467

Digit Sum: 28

Digital Root: 1

Palindrome: Yes

Factorization: 2 × 167 × 199

Divisors: 1, 2, 167, 199, 334, 398, 33233, 66466

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000001110100010

Octal: 201642

Duodecimal: 3256A

Hexadecimal: 103a2

Square: 4417729156

Square Root: 257.8100075637096

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

Decimal concatenations of the 38 quintuples (d1,d2,d3,d4,d5) with elements in {2,4,6} for which there exists a prime p >= 7 such that the differences between the 6 consecutive primes starting with p are (d1,d2,d3,d4,d5). A78870

Numbers having four 6's in base 10. A43516

Palindromes in A005448. A162703

Number of 5-element subsets of [n] whose sum is a triangular number. A320851

a(n) = 6*(10^2·n+1-1)/9 - 2·10ⁿ. A332164

Centered triangular numbers which are products of three distinct primes. A359624

Numbers having just one anti-divisor. A66466

In base 10 lunar arithmetic, a(n) is the smallest number than has exactly n different square roots (or -1 if no such number exists). A202174