Properties of the Number 90625

Ninety Thousand Six Hundred Twenty-Five

Basics

Value: 90624 → 90625 → 90626

Parity: odd

Prime: No

Previous Prime: 90619

Next Prime: 90631

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 5 ⁵ × 29

Divisors: 1, 5, 25, 29, 125, 145, 625, 725, 3125, 3625

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10110001000000001

Octal: 261001

Duodecimal: 44541

Hexadecimal: 16201

Square: 8212890625

Square Root: 301.0398644698074

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

Automorphic numbers: m² ends with m. A3226

Automorphic numbers ending in digit 5: a(n) = 5^2ⁿ mod 10ⁿ. A7185

Trimorphic numbers: n³ ends with n. Also m-morphic numbers for all m > 5 such that m-1 is not divisible by 10 and m == 3 (mod 4). A33819

Numbers k such that the decimal expansion of k² contains k as a substring. A18834

Numbers j that are the hypotenuse of exactly 16 distinct integer-sided right triangles, i.e., j² can be written as a sum of two squares in 16 ways. A97238

Numbers k such that decimal expansion of k² contains k as a substring and k does not end in 0. A46831

5th binomial transform of (1,4,0,0,0,0,...). A81040

Numbers that are multiple-digit narcissistic numbers in exactly four bases. A256363

Substring of both its square and its cube. A29943

Number of ordered factorizations with 3 levels of parentheses indexed by prime signatures: A050358(A025487(n)). A50359