Properties of the Number 1361

One Thousand Three Hundred Sixty-One

Basics

Value: 1360 → 1361 → 1362

Parity: odd

Prime: Yes

Previous Prime: 1327

Next Prime: 1367

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 1361

Divisors: 1, 1361

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101010001

Octal: 2521

Duodecimal: 955

Hexadecimal: 551

Square: 1852321

Square Root: 36.89173349139343

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 of form 8n+1, that is, primes congruent to 1 mod 8. A7519

Record gaps between primes (upper end) (compare A002386, which gives lower ends of these gaps). A101

Primes whose base-4 representation also is the base 2-representation of a prime. A235461

Primes p such that q = (p² + 1)/2 is also a prime. A48161

Indices of prime Lucas numbers. A1606

Primes of the form 4·x²+x·y-4·y² (as well as of the form 4·x²+9·x*y+y²). A141111

Centered 10-gonal numbers. A62786

Finitary primes. Primes of finitary index. A277098

Inverse Moebius transform of triangular numbers. A7437