Properties of the Number 22447

Twenty-Two Thousand Four Hundred Forty-Seven

Basics

Value: 22446 → 22447 → 22448

Parity: odd

Prime: Yes

Previous Prime: 22441

Next Prime: 22453

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 22447

Divisors: 1, 22447

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 101011110101111

Octal: 53657

Duodecimal: 10BA7

Hexadecimal: 57af

Square: 503867809

Square Root: 149.8232291735831

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

Cuban primes: primes which are the difference of two consecutive cubes. A2407

Least prime in A031924 (lesser of 6-twins) such that the distance to the next 6-twin is 2·n. A52352

Numerators of upper primes-only best approximates (POBAs) to the golden ratio, φ (A001622); see Comments. A265798

Primes having only {2, 4, 7} as digits. A385784

Primes p such that 6p + 7 is a square. A110014

Capped binary boundary codes for holeless strictly non-overlapping polyhexes (all orientations and rotations included). A258002

Capped binary boundary codes for fusenes (all orientations and rotations included). A258012

a(n) = number of 7-digit primes with digit sum n, where n runs through the non-multiples of 3 in the range [2..62]. A178876

Primes congruent to 60 mod 61. A142858

Number of triangles that can be built from rods with lengths 1,2,...,n by using and concatenating all rods. A160455