Properties of the Number 19717

Nineteen Thousand Seven Hundred Seventeen

Basics

Value: 19716 → 19717 → 19718

Parity: odd

Prime: Yes

Previous Prime: 19709

Next Prime: 19727

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 19717

Divisors: 1, 19717

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 100110100000101

Octal: 46405

Duodecimal: B4B1

Hexadecimal: 4d05

Square: 388760089

Square Root: 140.41723540933285

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 p such that exactly four numbers among all circular permutations of the digits of p are prime. A344628

Primes p such that p's set of distinct digits is {1,7,9}. A108384

Primes expressible as the sum of (at least two) consecutive primes in at least 4 ways. A67380

Primes which are not the sum of consecutive composite numbers. A37174

Integers that can be expressed as the sum of consecutive primes in exactly 5 ways. A55000

(1-2·cos(1/11*π))ⁿ+(1+2·cos(2/11*π))ⁿ+(1-2·cos(3/11*π))ⁿ+(1+2·cos(4/11*π))ⁿ+(1-2·cos(5/11*π))ⁿ. A62883

Expansion of (5-16·x+6·x²+10·x³-2·x⁴)/(1-4·x+2·x²+5·x³-2·x⁴-x⁵). A189235

Primes congruent to 11 mod 59. A142738

Primes that are sum of both three and five consecutive primes. A211170

a(n) = 3ⁿ + Fibonacci(n). A212262