Properties of the Number 307

Three Hundred Seven

Basics

Value: 306 → 307 → 308

Parity: odd

Prime: Yes

Previous Prime: 293

Next Prime: 311

Digit Sum: 10

Digital Root: 1

Palindrome: No

Factorization: 307

Divisors: 1, 307

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100110011

Octal: 463

Duodecimal: 217

Hexadecimal: 133

Square: 94249

Square Root: 17.52141546793523

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 4·k + 3. A2145

Central polygonal numbers: a(n) = n² - n + 1. A2061

Primes of the form 6m + 1. A2476

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

Ramanujan primes R_n: a(n) is the smallest number such that if x >= a(n), then π(x) - π(x/2) >= n, where π(x) is the number of primes <= x. A104272

a(n) = 6·n + 1. A16921

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

Primes p such that p + 6 is also prime. (Lesser of a pair of sexy primes.) A23201

Single (or isolated or non-twin) primes: Primes p such that neither p-2 nor p+2 is prime. A7510

Generalized cuban primes: primes of the form x² + xy + y²; or primes of the form x² + 3·y²; or primes == 0 or 1 (mod 3). A7645