Properties of the Number 61442

Sixty-One Thousand Four Hundred Forty-Two

Basics

Value: 61441 → 61442 → 61443

Parity: even

Prime: No

Previous Prime: 61441

Next Prime: 61463

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 × 31 × 991

Divisors: 1, 2, 31, 62, 991, 1982, 30721, 61442

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111000000000010

Octal: 170002

Duodecimal: 2B682

Hexadecimal: f002

Square: 3775119364

Square Root: 247.87496848209582

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) = 64·n² - 2·n. A158067

Number of (n+1) X 2 0..2 arrays with every 2 X 2 subblock having nonzero determinant and commuting with every horizontal or vertical neighbor. A207142

a(n) is the first number k such that the n Collatz runs starting at the consecutive numbers k, k+1, ..., k+n-1 all have the same prime-valued height while the runs starting at k-1 and k+n have nonprime heights. A339773

Numbers k such that the Lucas Aurifeuillian primitive part A of Lucas(k) is prime. A61442