Properties of the Number 61274

Sixty-One Thousand Two Hundred Seventy-Four

Basics

Value: 61273 → 61274 → 61275

Parity: even

Prime: No

Previous Prime: 61261

Next Prime: 61283

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 × 30637

Divisors: 1, 2, 30637, 61274

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1110111101011010

Octal: 167532

Duodecimal: 2B562

Hexadecimal: ef5a

Square: 3754503076

Square Root: 247.53585598858197

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

a(n) = smallest exponent k such that the string "1 2 ... n" appears in the decimal expansion of 2^k. A171768

Number of (3+1) X (n+1) 0..1 arrays with nondecreasing min(x(i,j),x(i,j-1)) in the i direction and nondecreasing absolute value of x(i,j)-x(i-1,j) in the j direction. A250800

T(n,k)=Number of (n+1)X(k+1) 0..1 arrays with nondecreasing min(x(i,j),x(i,j-1)) in the i direction and nondecreasing absolute value of x(i,j)-x(i-1,j) in the j direction. A250797

Number of primes between π^n-1 and πⁿ. A61274

Numbers k such that k + 6^t is semiprime for t = 0 to 9. A330508