Properties of the Number 87122

Eighty-Seven Thousand One Hundred Twenty-Two

Basics

Value: 87121 → 87122 → 87123

Parity: even

Prime: No

Previous Prime: 87121

Next Prime: 87133

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 × 7 ³ × 127

Divisors: 1, 2, 7, 14, 49, 98, 127, 254, 343, 686

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101010001010010

Octal: 252122

Duodecimal: 42502

Hexadecimal: 15452

Square: 7590242884

Square Root: 295.1643609923122

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

a(n) = (2n⁷ + 4n⁶ - n⁵ - 4n⁴ - n³) / 24. A245940

a(n) is the number of non-congruent solutions to x²*y² == 0 (mod n). A87122