Properties of the Number 66727

Sixty-Six Thousand Seven Hundred Twenty-Seven

Basics

Value: 66726 → 66727 → 66728

Parity: odd

Prime: No

Previous Prime: 66721

Next Prime: 66733

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 53 × 1259

Divisors: 1, 53, 1259, 66727

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000010010100111

Octal: 202247

Duodecimal: 32747

Hexadecimal: 104a7

Square: 4452492529

Square Root: 258.3156983228081

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

Sum of the smallest parts of all compositions of n. A97939

Sum of the altitudes of the leftmost valleys of all Dyck paths of semilength n (if path has no valley, then this altitude is taken to be 0). A143955

Nonzero numerators in asymptotic expansion of the Riemann-Seigel Z-function. A50276

Concatenations C1 and C2 and C3 and C4 are all prime (see the comment lines). A34819

A(n, k) = [x^k] Cⁿ*x/(1 - x) where C = 2/(1 + sqrt(1 - 4·x)), square array read by ascending antidiagonals with n >= 0 and k >= 0. A323224

Least factor of n^φ(n) - 1. A66727