Properties of the Number 90439

Ninety Thousand Four Hundred Thirty-Nine

Basics

Value: 90438 → 90439 → 90440

Parity: odd

Prime: Yes

Previous Prime: 90437

Next Prime: 90469

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 90439

Divisors: 1, 90439

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10110000101000111

Octal: 260507

Duodecimal: 44407

Hexadecimal: 16147

Square: 8179212721

Square Root: 300.73077660924565

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

Denominators of an Egyptian fraction for π, using only prime numbers and allowing repetitions. A139514

Primes starting and ending with 9. A62335

List of strictly non-palindromic twin primes {p, p+2}. A138329

Alternating row sums of array A090438 ((4,2)-Stirling2). A90439

Numbers n such that n - 31, n - 1, n + 1 and n + 31 are consecutive primes. A270754