Properties of the Number 61493

Sixty-One Thousand Four Hundred Ninety-Three

Basics

Value: 61492 → 61493 → 61494

Parity: odd

Prime: Yes

Previous Prime: 61487

Next Prime: 61507

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 61493

Divisors: 1, 61493

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1111000000110101

Octal: 170065

Duodecimal: 2B705

Hexadecimal: f035

Square: 3781389049

Square Root: 247.97782158894776

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

Let A(n) = #{(i,j): i² + j² <= n}, V(n) = π*n, P(n) = A(n) - V(n); A000099 gives values of n where |P(n)| sets a new record; sequence gives A(A000099(n)). A323

Number of partitions of n that do not contain 4 as a part. A27338

Primes of the form n² - 11. A91272

Lexicographically largest strictly increasing sequence of primes for which the continued square root map produces Feigenbaum's constant δ = 4.6692016... (A006890). A257809

Primes p such that prime(p)² - 2 = prime(q) for some prime q. A261354

Numerators of continued fraction convergents to sqrt(507). A41968

Fourth prime p such that (p+n)²+n is prime but (p+j)²+j is not prime for all 0<j<n. A238676

First differences of the partition numbers of the primes. A182739

Number of length n+3 0..4 arrays with every four consecutive terms having the sum of some three elements equal to three times the fourth. A248533

Intersection of A013917 and A071150. A255017