Properties of the Number 61089

Sixty-One Thousand Eighty-Nine

Basics

Value: 61088 → 61089 → 61090

Parity: odd

Prime: No

Previous Prime: 61057

Next Prime: 61091

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 7 × 2909

Divisors: 1, 3, 7, 21, 2909, 8727, 20363, 61089

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1110111010100001

Octal: 167241

Duodecimal: 2B429

Hexadecimal: eea1

Square: 3731865921

Square Root: 247.1618902662787

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

Numerators of continued fraction convergents to sqrt(247). A41462

Triangle read by rows: T(n,k) is the number of ordered pairs of n-permutations with exactly k common double descents, n>=0, 0<=k<=max{0,n-2}. A334257

Duplicate of A067499. A61089