Properties of the Number 20297

Twenty Thousand Two Hundred Ninety-Seven

Basics

Value: 20296 → 20297 → 20298

Parity: odd

Prime: Yes

Previous Prime: 20287

Next Prime: 20323

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 20297

Divisors: 1, 20297

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 100111101001001

Octal: 47511

Duodecimal: B8B5

Hexadecimal: 4f49

Square: 411968209

Square Root: 142.46754016266303

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

Balanced primes of order five. A96697

Father primes of order 8. A136077

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

Given the infinite continued fraction i+(i/(i+(i/(i+...)))), where i is the square root of (-1), this is the numerator of the real part of the convergents. A91806

Prime time primes (of the form HMMSS with primes H < 24 and MM, SS < 60) such that the corresponding number of seconds after midnight is also prime. A295000

Prime time primes on 6-digit clocks, second definition: primes of the form HMMSS where H, MM, SS are primes, H < 24, MM and SS < 60. A295013

Primes p such that q-p = 26, where q is the next prime after p. A124594

Primes congruent to 1 mod 59. A216315

Positive numbers y such that y² is of the form x²+(x+647)² with integer x. A159641

Sum over all partitions of n of the LCM of the number of parts and the number of distinct parts. A339394