Properties of the Number 90234

Ninety Thousand Two Hundred Thirty-Four

Basics

Value: 90233 → 90234 → 90235

Parity: even

Prime: No

Previous Prime: 90227

Next Prime: 90239

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ⁴ × 557

Divisors: 1, 2, 3, 6, 9, 18, 27, 54, 81, 162

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10110000001111010

Octal: 260172

Duodecimal: 44276

Hexadecimal: 1607a

Square: 8142174756

Square Root: 300.38974682901545

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

Expansion of ∏_m>=1 (1+q^m)^-27. A22622

Number of virtual knots of crossing number n, counting only classical crossings. Mirror images and inverses are not distinguished. A130629

Harmonic primes. A92101

Least k such that prime(n) appears in the factorization of A001008(k) (the numerator of the k-th harmonic number). A72984

Number of values of k for which prime(n) divides A001008(k), the numerator of the k-th harmonic number. A92103

Number of generations for which prime(n) divides A001008(k) for some k. A92193

Binomial transform gives a prime. A90234

Irregular triangle in which row n has numbers k such that prime(n) divides A001008(k), the numerator of the k-th harmonic number. A229493