Properties of the Number 61254

Sixty-One Thousand Two Hundred Fifty-Four

Basics

Value: 61253 → 61254 → 61255

Parity: even

Prime: No

Previous Prime: 61253

Next Prime: 61261

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 41 × 83

Divisors: 1, 2, 3, 6, 9, 18, 41, 82, 83, 123

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1110111101000110

Octal: 167506

Duodecimal: 2B546

Hexadecimal: ef46

Square: 3752052516

Square Root: 247.49545450371406

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 n X k 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 1 and 1 1 0 vertically. A207703

Engel expansion of sinh(1/3). A68380

a(n) = n⁵ + 3·n³ + 2·n = n*(n² + 1)*(n² + 2). A120573

Number of triangles in a Star of David of size n. A299965

Number of n X 7 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 1 and 1 1 0 vertically. A207702

Number of 4Xn 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 1 and 1 1 0 vertically. A207705

Number of nX7 0..1 arrays with every element equal to 0, 2, 3 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A302459

Number of 6Xn 0..1 arrays with every element equal to 0, 2, 3 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A302464

T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 2, 3 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A302460

Odd composite numbers n such that primitive part of Fibonacci(n) (see A061446) is prime. A61254