Properties of the Number -23171

Twenty-Three Thousand One Hundred Seventy-One

Basics

Value: -23172 → -23171 → -23170

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 17 × 29 × 47

Divisors: 1, 17, 29, 47, 493, 799, 1363, 23171

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101101010000011

Octal: -55203

Duodecimal: -114AB

Hexadecimal: -5a83

Square: 536895241

Square Root: 152.22023518573343

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

Diagonal in array of n-gonal numbers A081422. A81435

Powers of sqrt(2) rounded up. A17912

Square array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where column k is the expansion of B(x)^k, where B(x) is the g.f. of A384650. A384654

Number of positive integers <= 2ⁿ of form 2·x² + 3·y². A75

Numbers k such that floor(k·sqrt(2)) is a power of 2. A103341

Number of up steps starting at an even level in all nondecreasing Dyck paths of semilength n. A nondecreasing Dyck path is a Dyck path for which the sequence of the altitudes of the valleys is nondecreasing. A121523

Number of squares <= 2ⁿ. A136417

The non-common part of the smaller number of an amicable pair. A180326