Properties of the Number 11801

Eleven Thousand Eight Hundred One

Basics

Value: 11800 → 11801 → 11802

Parity: odd

Prime: Yes

Previous Prime: 11789

Next Prime: 11807

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 11801

Divisors: 1, 11801

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10111000011001

Octal: 27031

Duodecimal: 69B5

Hexadecimal: 2e19

Square: 139263601

Square Root: 108.63240768757728

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

a(n) = floor(n*φ¹⁴), where φ is the golden ratio, A001622. A4929

Initial primes of Cunningham chains of first type with length exactly 3. Primes in A059453 that survive as primes just two "2p+1 iterations", forming chains of exactly 3 terms. A59762

Primes having only {0, 1, 8} as digits. A61247

Coefficients of the '6th-order' mock θ function 2 μ(q). A53273

Numbers m such that the decimal number concat(8,m) is a square. A273363

Primes of form 100·k + 1. A62800

Primes that become squares when prefixed with an 8. A167741

Primes p such that A001177(p) = (p-1)/8. A308801

Primes p such that x⁵⁹ = 2 has no solution mod p. A59312

Primes congruent to 1 mod 59. A216315