Properties of the Number 16124

Sixteen Thousand One Hundred Twenty-Four

Basics

Value: 16123 → 16124 → 16125

Parity: even

Prime: No

Previous Prime: 16111

Next Prime: 16127

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 ² × 29 × 139

Divisors: 1, 2, 4, 29, 58, 116, 139, 278, 556, 4031

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11111011111100

Octal: 37374

Duodecimal: 93B8

Hexadecimal: 3efc

Square: 259983376

Square Root: 126.98031343479981

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) = n*(7·n² - 1)/6. A4126

Expansion of 1/(1 - 4·x + 5·x²). A99456

Imaginary part of (1+2i)ⁿ. A6496

Values of·such that x² + y² = 5ⁿ with·and y coprime and 0 < x < y. A230710

a(n) = 5ⁿ*sin(2n·arctan(1/2)) or numerator of tan(2n·arctan(1/2)). A66770

Real part of (4 + 3i)ⁿ. A139030

Exponents m such that the decimal expansion of 8^m exhibits its first zero from the right later than any previous exponent. A239013

Let (A,B)=(a(2·n),a(2·n+1)), then (A,B) is (even,odd), gcd(A,B)=1 and A² + B² = 5ⁿ. Note: a(0)=0. A98122

Triangle read by rows: T(n, k) is the number of chains of length k in the poset of permutations of an n-set. A375835

a(1) = 1; a(n+1) = -∑_d∣n a(n/d) * a(d). A325303