Properties of the Number 4105

Four Thousand One Hundred Five

Basics

Value: 4104 → 4105 → 4106

Parity: odd

Prime: No

Previous Prime: 4099

Next Prime: 4111

Digit Sum: 10

Digital Root: 1

Palindrome: No

Factorization: 5 × 821

Divisors: 1, 5, 821, 4105

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1000000001001

Octal: 10011

Duodecimal: 2461

Hexadecimal: 1009

Square: 16851025

Square Root: 64.07027391856539

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

Numbers that are the sum of 11 positive 11th powers. A4822

Numbers of the form 8^j + 9^k, for j and k >= 0. A226832

Centered 24-gonal numbers. A69190

Ordered hypotenuses of primitive Pythagorean triangles having legs that add up to a square. A88319

a(n) = 3·n² - 2. A100536

a(n) = n-th concentric 12-gonal number. A195143

Number T(n,k) of binary words of length n with exactly k (possibly overlapping) occurrences of the subword given by the binary expansion of n; triangle T(n,k), n>=0, read by rows. A233940

Numbers that are the sum of 3 positive cubes in more than one way. A8917

Number of cycles of n-digit numbers (including fixed points) under the Kaprekar map A151949. A164731

Sums of distinct powers of 8. A33045