Properties of the Number 61819

Sixty-One Thousand Eight Hundred Nineteen

Basics

Value: 61818 → 61819 → 61820

Parity: odd

Prime: Yes

Previous Prime: 61813

Next Prime: 61837

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 61819

Divisors: 1, 61819

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111000101111011

Octal: 170573

Duodecimal: 2B937

Hexadecimal: f17b

Square: 3821588761

Square Root: 248.63426956073454

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

Strobogrammatic primes. A7597

Primes p for which exactly five bases b with 1 < b < p exist such that p is a base b Wieferich prime. A255208

Strobogrammatic primes: the same upside down (calculator-style numerals). A18847

The successive approximations up to 2ⁿ for 2-adic integer 3^1/3. A322701

Strobogrammatic non-palindromic primes. A133207

Strobogrammatic nonpalindromic numbers. A287092

Multiples of 3 containing only digits 0,1,2,3. A61819