Properties of the Number 49997

Forty-Nine Thousand Nine Hundred Ninety-Seven

Basics

Value: 49996 → 49997 → 49998

Parity: odd

Prime: No

Previous Prime: 49993

Next Prime: 49999

Digit Sum: 38

Digital Root: 2

Palindrome: No

Factorization: 17 ² × 173

Divisors: 1, 17, 173, 289, 2941, 49997

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1100001101001101

Octal: 141515

Duodecimal: 24B25

Hexadecimal: c34d

Square: 2499700009

Square Root: 223.6000894454204

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

Minimum number k for which the digital sum of k·n is 11·n. A147831

a(n) = floor(M(g(n-1)+1, ..., g(n))), where M = harmonic mean and g(n) = n³ + n² + n + 1. A227015

a(n) = smallest k such that 4k has a digit sum = n. A77490

a(n) = A131766(n) / 18. A131871

Numbers k such that k and k² use only the digits 0, 2, 4, 7 and 9. A136907

Numbers k in base 10 such that the digits of 2 + k are the digits of 2k written in reverse order. A276509

Numbers j such that there exists a number i <= j with the property that i+j and i·j have the same decimal digits in reverse order. A360518

Numbers of the form Fibonacci(i)*Fibonacci(j). A49997

Numbers k such that 5·10^k - 3 is prime. A103003

Indices of primes in sequence defined by A(0) = 47, A(n) = 10·A(n-1) + 27 for n > 0. A101740