Properties of the Number 61144

Sixty-One Thousand One Hundred Forty-Four

Basics

Value: 61143 → 61144 → 61145

Parity: even

Prime: No

Previous Prime: 61141

Next Prime: 61151

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 ³ × 7643

Divisors: 1, 2, 4, 8, 7643, 15286, 30572, 61144

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1110111011011000

Octal: 167330

Duodecimal: 2B474

Hexadecimal: eed8

Square: 3738588736

Square Root: 247.27312834192074

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) = a(1) + a(2) + ... + a(n-1) - a(m) for n >= 4, where m = 2·n - 2 - 2^p+1 and p is the unique integer such that 2^p < n - 1 <= 2^p+1, starting with a(1) = 1, a(2) = 3, and a(3) = 4. A49931

Sum of the areas of triangles whose vertices lie on the n X n grid with unit spacing as enumerated in A045996. A61144