Properties of the Number 61072

Sixty-One Thousand Seventy-Two

Basics

Value: 61071 → 61072 → 61073

Parity: even

Prime: No

Previous Prime: 61057

Next Prime: 61091

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 ⁴ × 11 × 347

Divisors: 1, 2, 4, 8, 11, 16, 22, 44, 88, 176

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1110111010010000

Octal: 167220

Duodecimal: 2B414

Hexadecimal: ee90

Square: 3729789184

Square Root: 247.1274974582958

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

Kochański's (or Kochanski's) sequence. A191642

Square root of squares in A145768 (XOR of squares of the numbers 1..n). A145829

Numbers k such that sopfr(k + ω(k)) = sopfr(k), where sopfr(i) = A001414(i) and ω(i) = A001221(i). A187878

Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 29 ones. A31797

T(n,k)=1/6 the number of (n+2)X(k+2) 0..2 arrays with each 3X3 subblock containing one of one value, four of another, and four of the last. A184477

Decimal expansion of the smallest negative real root of the equation γ(x) = -1 (negated). A257433

Decimal expansion of the second smallest negative real root of the equation γ(x) = -1 (negated). A257434

Smallest integer with A002191(n) divisors, i.e., the number of divisors equals the sum of the divisors of a different number. A61072

1/6 the number of (n+2)X5 0..2 arrays with each 3X3 subblock containing one of one value, four of another, and four of the last. A184471

1/6 the number of (n+2)X6 0..2 arrays with each 3X3 subblock containing one of one value, four of another, and four of the last. A184472