Properties of the Number 90415

Ninety Thousand Four Hundred Fifteen

Basics

Value: 90414 → 90415 → 90416

Parity: odd

Prime: No

Previous Prime: 90407

Next Prime: 90437

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 5 × 13 ² × 107

Divisors: 1, 5, 13, 65, 107, 169, 535, 845, 1391, 6955

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10110000100101111

Octal: 260457

Duodecimal: 443A7

Hexadecimal: 1612f

Square: 8174872225

Square Root: 300.69087116172983

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

Smallest multiple of the n-th prime such that every partial sum is a square. A85039

Numbers k such that k = T(x) + T(y) where T(m) is the m-th triangular number and k is concatenate(x, y) in base 10. A113796

a(n) = Floor[4*π*n/(E)]. A90415