Properties of the Number 90139

Ninety Thousand One Hundred Thirty-Nine

Basics

Value: 90138 → 90139 → 90140

Parity: odd

Prime: No

Previous Prime: 90127

Next Prime: 90149

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 7 × 79 × 163

Divisors: 1, 7, 79, 163, 553, 1141, 12877, 90139

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10110000000011011

Octal: 260033

Duodecimal: 441B7

Hexadecimal: 1601b

Square: 8125039321

Square Root: 300.23157728660055

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 totally transitive rooted trees with n nodes. A318185

a(n) = 10·a(n-1) - 20·a(n-2), a(0)=1,a(1)=5. A90139