Properties of the Number 75625

Seventy-Five Thousand Six Hundred Twenty-Five

Basics

Value: 75624 → 75625 → 75626

Parity: odd

Prime: No

Previous Prime: 75619

Next Prime: 75629

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 5 ⁴ × 11 ²

Divisors: 1, 5, 11, 25, 55, 121, 125, 275, 605, 625

Polygonal

Triangular: No

Square: Yes

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010011101101001

Octal: 223551

Duodecimal: 37921

Hexadecimal: 12769

Square: 5719140625

Square Root: 275

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

Numbers of the form 5ⁱ * 11^j. A3598

Squares whose arithmetic mean of digits is an integer (i.e., the sum of digits is a multiple of the number of digits). A69711

Numbers with prime factorization p²*q⁴. A189988

T(n,k) = number of (n+1) X (k+1) arrays of permutations of 0..(n+1)*(k+1)-1 with each element having index change +-(.,.) 0,0 1,1 or 1,2. A264071

Numbers with 15 divisors. A30633

Squares with initial digit '7'. A45791

Square numbers that remain square when their most-significant (or leftmost) digit is removed. A225885

Numbers k that divide 3^k + 2^k. A45576

Numbers which can be expressed as the product of numbers made of only fives. A161143

Squares present in A276573 (the infinite trunk of least squares beanstalk). A277016