Properties of the Number -23161

Twenty-Three Thousand One Hundred Sixty-One

Basics

Value: -23162 → -23161 → -23160

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 19 × 23 × 53

Divisors: 1, 19, 23, 53, 437, 1007, 1219, 23161

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101101001111001

Octal: -55171

Duodecimal: -114A1

Hexadecimal: -5a79

Square: 536431921

Square Root: 152.1873844968761

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

Numerator of Hermite(n, 23/32). A160436

Number of emergent parts in all partitions of n. A182699

Numbers m such that the factorizations of m..m+4 have the same number of primes (including multiplicities). A45941

Numbers k such that σ(k) = σ(k+10). A15880

a(n) is the concatenation of n and 7n. A9441

Numbers n such that the digits of σ(n) are exactly the same (albeit in different order) as the digits of φ(n), in base 10. A175795

Count of interior bounded regions in a regular 2n-sided polygon dissected by all diagonals parallel to sides. A165217

Number of lattice paths from (0,0) to (n,n) that consist of steps (h,v) with h, v prime or one. A308240

The number of tiles inside a regular n-gon created by diagonals that run from each of the n vertices to the n-2 midpoints of opposite edges. A320422

Number of ordered triples (w,x,y) with all terms in {1,...,n} and 2·w² < x² + y². A211800