Properties of the Number 61474

Sixty-One Thousand Four Hundred Seventy-Four

Basics

Value: 61473 → 61474 → 61475

Parity: even

Prime: No

Previous Prime: 61471

Next Prime: 61483

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 × 7 × 4391

Divisors: 1, 2, 7, 14, 4391, 8782, 30737, 61474

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 1111000000100010

Octal: 170042

Duodecimal: 2B6AA

Hexadecimal: f022

Square: 3779052676

Square Root: 247.9395087516308

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

To obtain a(n+1), add the square of the n-th partial sum to the n-th partial sum of the squares, then divide this result by a(n), for all n >= 0, with a(0)=1. A88016

Number of nX7 0..1 arrays with every element equal to 1, 2, 4 or 6 king-move adjacent elements, with upper left element zero. A298054

T(n,k) = Number of n X k 0..1 arrays with every element equal to 1, 2, 4 or 6 king-move adjacent elements, with upper left element zero. A298055

First (leftmost) digit - second digit + third digit - fourth digit .... = 5. A61474