Properties of the Number 42474

Forty-Two Thousand Four Hundred Seventy-Four

Basics

Value: 42473 → 42474 → 42475

Parity: even

Prime: No

Previous Prime: 42473

Next Prime: 42487

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 7079

Divisors: 1, 2, 3, 6, 7079, 14158, 21237, 42474

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010010111101010

Octal: 122752

Duodecimal: 206B6

Hexadecimal: a5ea

Square: 1804040676

Square Root: 206.09221237106462

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

T(n,k)=Number of nXk 0..4 arrays with each element·equal to the number of its horizontal and vertical neighbors equal to 0,1,0,0,0 for x=0,1,2,3,4. A197475

T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with the maximum plus the lower median minus the minimum of every 2X2 subblock equal. A237315

Number of sets of distinct positive integers whose sum of squares is a square, the largest integer of a set is n. A339612

Number of nX4 0..4 arrays with each element·equal to the number its horizontal and vertical neighbors equal to 0,1,0,0,0 for x=0,1,2,3,4. A197471

Number of (n+1)X(1+1) 0..3 arrays with the maximum plus the lower median minus the minimum of every 2X2 subblock equal. A237309

Number of (n+1)X(4+1) 0..3 arrays with the maximum plus the lower median minus the minimum of every 2X2 subblock equal. A237312

Numerators of continued fraction convergents to sqrt(765). A42474