Properties of the Number 49989

Forty-Nine Thousand Nine Hundred Eighty-Nine

Basics

Value: 49988 → 49989 → 49990

Parity: odd

Prime: No

Previous Prime: 49957

Next Prime: 49991

Digit Sum: 39

Digital Root: 3

Palindrome: No

Factorization: 3 × 19 × 877

Divisors: 1, 3, 19, 57, 877, 2631, 16663, 49989

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1100001101000101

Octal: 141505

Duodecimal: 24B19

Hexadecimal: c345

Square: 2498900121

Square Root: 223.58219964925652

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

Numbers k such that 2^k - k² is prime. A72180

Number of n-digit cuban primes. A221792

Number of nondecreasing arrangements of 7 numbers x(i) in -(n+5)..(n+5) with the sum of sign(x(i))*x(i)² zero. A188007

Number of DUU's in all length n left factors of Dyck paths; here U=(1,1) and D=(1,-1). A191796

a(n) = sum of numbers without digit 1 and with product of digits = n-th 7-smooth number. A130975

Character of extremal vertex operator algebra of rank 19/2. A28528

a(n) is the number of arithmetic progressions of positive integers, nondecreasing with sum <= n. A49989