Properties of the Number 183

One Hundred Eighty-Three

Basics

Value: 182 → 183 → 184

Parity: odd

Prime: No

Previous Prime: 181

Next Prime: 191

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 3 × 61

Divisors: 1, 3, 61, 183

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10110111

Octal: 267

Duodecimal: 133

Hexadecimal: b7

Square: 33489

Square Root: 13.527749258468683

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

Coordination sequence for planar net 3.3.3.3.6 (also called the fsz net). A250120

Semiprimes (or biprimes): products of two primes. A1358

Squarefree semiprimes: Numbers that are the product of two distinct primes. A6881

Toothpick sequence (see Comments lines for definition). A139250

Central polygonal numbers: a(n) = n² - n + 1. A2061

a(n) = 4·n + 3. A4767

Odd semiprimes: odd numbers divisible by exactly 2 primes (counted with multiplicity). A46315

Loeschian numbers: numbers of the form x² + xy + y²; norms of vectors in A2 lattice. A3136

Odd composite numbers. A71904

Rank transform of the sequence floor(3·n/2). A187224

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