Properties of the Number 66154

Sixty-Six Thousand One Hundred Fifty-Four

Basics

Value: 66153 → 66154 → 66155

Parity: even

Prime: No

Previous Prime: 66137

Next Prime: 66161

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 × 11 × 31 × 97

Divisors: 1, 2, 11, 22, 31, 62, 97, 194, 341, 682

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000001001101010

Octal: 201152

Duodecimal: 3234A

Hexadecimal: 1026a

Square: 4376351716

Square Root: 257.20419903259744

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

Number of (w,x,y,z) with all terms in {1,...,n} and w·x>3·y*z. A211918

Integer part of log(nⁿ)^{1 + log(log(1 + n})). A62479

Nearest integer to log(nⁿ)^{1 + log(log(1 + n})). A62480

Number of tilings of a 10 X n rectangle using 2n pentominoes of shape P. A247119

Wiener index of the n X n black bishop graph. A292051

Numbers k such that φ(k) = σ(k) - σ(k-1). A66154