Properties of the Number 1297

One Thousand Two Hundred Ninety-Seven

Basics

Value: 1296 → 1297 → 1298

Parity: odd

Prime: Yes

Previous Prime: 1291

Next Prime: 1301

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 1297

Divisors: 1, 1297

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100010001

Octal: 2421

Duodecimal: 901

Hexadecimal: 511

Square: 1682209

Square Root: 36.013886210738214

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: Yes

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

a(n) = n² + 1. A2522

Prime-indexed primes: primes with prime subscripts. A6450

Primes of the form k² + 1. A2496

Primes p such that p + 4 is also prime. A23200

Primes p such that 2p-1 is also prime. A5382

Primes congruent to 1 (mod 12). A68228

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

Numbers that are the sum of 2 positive 4th powers. A3336

a(n) = 4·n² + 1. A53755

Tetranacci numbers: a(n) = a(n-1) + a(n-2) + a(n-3) + a(n-4) with a(0) = a(1) = a(2) = a(3) = 1. A288