Properties of the Number 51875

Fifty-One Thousand Eight Hundred Seventy-Five

Basics

Value: 51874 → 51875 → 51876

Parity: odd

Prime: No

Previous Prime: 51871

Next Prime: 51893

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 5 ⁴ × 83

Divisors: 1, 5, 25, 83, 125, 415, 625, 2075, 10375, 51875

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1100101010100011

Octal: 145243

Duodecimal: 2602B

Hexadecimal: caa3

Square: 2691015625

Square Root: 227.76083947860747

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

Antidiagonal sums of square array A082011. A82014

Numbers k such that 13·2^k - 1 is prime. A1773

Coefficients of a polynomial used in calculation of A055915. A55918

Sum of next a(n) > 1 triangular numbers is a triangular number. A214648

Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 25 ones. A31793

Smallest odd number greater than any previous term such that it divides the concatenation of all the previous terms and itself; begin with 1. A228806

a(n)/144 is the maximum squared volume of a tetrahedron with the sum of its integer edge lengths equal to n. A371073

a(n) = ∑_j=1..n ∑_k=1..n φ(2·j*k) / φ(k). A372664

23-gonal numbers: a(n) = n(21n-19)/2. A51875

Number of ways to arrange 4 nonattacking queens on the lower triangle of an n X n board. A194494