Properties of the Number -23145

Twenty-Three Thousand One Hundred Forty-Five

Basics

Value: -23146 → -23145 → -23144

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 3 × 5 × 1543

Divisors: 1, 3, 5, 15, 1543, 4629, 7715, 23145

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101101001101001

Octal: -55151

Duodecimal: -11489

Hexadecimal: -5a69

Square: 535691025

Square Root: 152.13480864023197

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 Dyck n-paths all of whose ascents and descents have lengths equal to 1 (mod 5). A212364

T(n,k)=Number of ways to move elements of an nXnXn triangular array to themselves or a neighbor, with no more than k-1 2-cycles. A271969

Permutations of 12345: Numbers having each of the decimal digits 1,...,5 exactly once, and no other digit. A178475

Number of distinct lines passing through at least three points in a triangular grid of side n. A234248

Number of A095319-primes in range ]2ⁿ,2ⁿ⁺¹]. A95329

Number of A095315-primes in range ]2ⁿ,2ⁿ⁺¹]. A95335

Expansion of η(q³) * η(q³³) / ( η(q)* η(q¹¹)) in powers of q. A128663

Numbers with 5 distinct digits {1,2,3,4,5} such that all adjacent digits (as well as first and last digits) are coprime. A104972

List of André permutations of the first kind. A278982

Array read by rows in which the n-th row contains the multiples of n in increasing order using all the digits of first n numbers. A78189