Properties of the Number 16693

Sixteen Thousand Six Hundred Ninety-Three

Basics

Value: 16692 → 16693 → 16694

Parity: odd

Prime: Yes

Previous Prime: 16691

Next Prime: 16699

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 16693

Divisors: 1, 16693

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 100000100110101

Octal: 40465

Duodecimal: 97B1

Hexadecimal: 4135

Square: 278656249

Square Root: 129.20139318134306

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

Primes of the form 2·n² + 22·n + 9. A154601

a(n) = (a(n-1)² + a(n-2)² + a(n-1)*a(n-2))/a(n-3) with three initial ones. A165903

a(n) = M(n) + m(n) for n >= 2, where M(n) = max{ a(i) + a(n-i): i = 1..n-1 }, m(n) = min{ a(i) + a(n-i): i = 1..n-1 }. A22905

Primes p such that the sum of the digits of p is not prime, but the sum of the squares of the digits of p is prime. A91362

Primes p such that p^s ends with p, where s is sum of the digits of p. A171267

Numbers n such that n² + 1 is divisible by a 5th power. A218564

Primes in toothpick sequence A153006. A153009

Primes p that p//13 and p//31 are consecutive primes. A176601

Number of nX4 0..3 arrays with every row and column nondecreasing rightwards and downwards, and the number of instances of each value within one of each other. A201447

Numbers k such that k² + 1 is divisible by a 6th power. A218565