Properties of the Number 87924

Eighty-Seven Thousand Nine Hundred Twenty-Four

Basics

Value: 87923 → 87924 → 87925

Parity: even

Prime: No

Previous Prime: 87917

Next Prime: 87931

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 2 ² × 3 × 17 × 431

Divisors: 1, 2, 3, 4, 6, 12, 17, 34, 51, 68

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: 10101011101110100

Octal: 253564

Duodecimal: 42A70

Hexadecimal: 15774

Square: 7730629776

Square Root: 296.51981384049196

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..2 arrays with no element equal to any value at offset (0,-2) (-1,-2) or (-2,-1) and new values introduced in order 0..2. A275090

Number of trees with n nodes and 5 leaves. A55292

Number of subgroups of the group GL(2,Z_n) of invertible 2 X 2 matrices mod n (sequence A000252). A66514

Number of nX5 0..2 arrays with no element equal to any value at offset (0,-2) (-1,-2) or (-2,-1) and new values introduced in order 0..2. A275087

Number of 5Xn 0..2 arrays with no element equal to any value at offset (0,-2) (-1,-2) or (-2,-1) and new values introduced in order 0..2. A275093

Number of n X n 0..2 arrays with no element equal to any value at offset (0,-2), (-1,-2) or (-2,-1) and new values introduced in order 0..2. A275084

Number of ways of arranging the numbers 1 ... 3n into a 3 X n array so there is exactly one local maximum. A87924