Properties of the Number 1613

One Thousand Six Hundred Thirteen

Basics

Value: 1612 → 1613 → 1614

Parity: odd

Prime: Yes

Previous Prime: 1609

Next Prime: 1619

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 1613

Divisors: 1, 1613

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 11001001101

Octal: 3115

Duodecimal: B25

Hexadecimal: 64d

Square: 2601769

Square Root: 40.162171256046406

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 2x² + 2xy + 17y². A139827

Primes whose decimal representation is a valid number in base 8 and interpreted as such is again a prime. A235394

Indices of primes in A001590. A231575

Numbers k such that the k-th Euclid number A006862(k) = 1 + (Product of first k primes) is prime. A14545

D-toothpick sequence of the second kind (see Comments lines for definition). A194270

Primes congruent to 1 mod 31. A142005

Primes p such that p² + 4 is also prime. A62324

Largest prime factor of 2ⁿ + 1. A2587

Primes p such that (5+p)/2 is prime. A145471

Prime numbers ending in the prime number 13. A244763