Properties of the Number 61454

Sixty-One Thousand Four Hundred Fifty-Four

Basics

Value: 61453 → 61454 → 61455

Parity: even

Prime: No

Previous Prime: 61441

Next Prime: 61463

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 × 30727

Divisors: 1, 2, 30727, 61454

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1111000000001110

Octal: 170016

Duodecimal: 2B692

Hexadecimal: f00e

Square: 3776594116

Square Root: 247.8991730522714

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

Row sums of triangle A097094 and also equals the self-convolution of A097097 (antidiagonal sums of triangle A097094). A97096

Bond series for first parallel moment of 4.8 (bathroom tile) lattice. A120554

Number of n X 7 0..1 arrays with every element unequal to 0, 1, 2, 6, 7 or 8 king-move adjacent elements, with upper left element zero. A316692

Numbers n such that n-th prime - φ(n) - d(n) = (n+1)-th prime - φ(n+1) - d(n+1), where d(n) = number of divisors of n. A63690

Number of nXn 0..1 arrays with every element unequal to 0, 1, 2, 6, 7 or 8 king-move adjacent elements, with upper left element zero. A316687

T(n,k)=Number of nXk 0..1 arrays with every element unequal to 0, 1, 2, 6, 7 or 8 king-move adjacent elements, with upper left element zero. A316693

a(n) = denominator of the continued fraction [1; 2², 3³, ..., nⁿ]. A61454