Properties of the Number -23242

Twenty-Three Thousand Two Hundred Forty-Two

Basics

Value: -23243 → -23242 → -23241

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 × 11621

Divisors: 1, 2, 11621, 23242

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101101011001010

Octal: -55312

Duodecimal: -1154A

Hexadecimal: -5aca

Square: 540190564

Square Root: 152.45327152934436

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

Greatest number m such that the fractional part of (3/2)^A153662(n) <= 1/m. A153666

Numbers n such that if p=prime(n), then p, p+6, p+12, p+18 are consecutive primes with p=6·k+5 for some k, where prime(n) denotes n-th prime. A90835

a(n) = p(n)*p(n+2)-p(n+1), where p(n) is the n-th prime. A152530

Expansion of ∏_k>=0 1/(1 - x^3·k+1)². A261616

Put the natural numbers together without spaces and read them five at a time advancing one space each time. A193493

Positions of records in A166133. A256404

3-comma numbers: n occurs in the sequence S[k+1]=S[k]+10·last_digit(S[k-1])+first_digit(S[k]) for three different splittings n=concat(S[0],S[1]). A166513

Numbers n such that A166133(n) sets a new record and also satisfies A166133(n)=A166133(n-1)²-1. A256422

Numbers k such that the continued fraction for sqrt(k) has period 83. A20422

Natural numbers written out with their digits grouped in sets of 5 (leading zeros omitted). A91341