Properties of the Number 3125

Three Thousand One Hundred Twenty-Five

Basics

Value: 3124 → 3125 → 3126

Parity: odd

Prime: No

Previous Prime: 3121

Next Prime: 3137

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 5 ⁵

Divisors: 1, 5, 25, 125, 625, 3125

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110000110101

Octal: 6065

Duodecimal: 1985

Hexadecimal: c35

Square: 9765625

Square Root: 55.90169943749474

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: Yes

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: Yes

Fermat Number: No

Cullen Number: No

OEIS Sequences

a(n) = nⁿ; number of labeled mappings from n points to themselves (endofunctions). A312

Powers of 5: a(n) = 5ⁿ. A351

1 and the prime powers p^m where m >= 2, thus excluding the primes. A25475

Fifth powers: a(n) = n⁵. A584

Prime powers p^e where p is a prime and e >= 2 (prime powers without the primes or 1). A246547

Numbers k that divide the (right) concatenation of all numbers <= k written in base 25 (most significant digit on left). A29470

a(n) = prime(n)^prime(n). A51674

3-full (or cube-full, or cubefull) numbers: if a prime p divides n then so does p³. A36966

Numbers of the form 2ⁱ*5^j with i, j >= 0. A3592

Fifth powers of primes. A50997