Properties of the Number 1250

One Thousand Two Hundred Fifty

Basics

Value: 1249 → 1250 → 1251

Parity: even

Prime: No

Previous Prime: 1249

Next Prime: 1259

Digit Sum: 8

Digital Root: 8

Palindrome: No

Factorization: 2 × 5 ⁴

Divisors: 1, 2, 5, 10, 25, 50, 125, 250, 625, 1250

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10011100010

Octal: 2342

Duodecimal: 882

Hexadecimal: 4e2

Square: 1562500

Square Root: 35.35533905932738

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: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Primorial base exp-function: digits in primorial base representation of n become the exponents of successive prime factors whose product a(n) is. A276086

a(n) = 2·n². A1105

a(n) = ceiling(n²/2). A982

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

Number of subsets of {1..n} containing all of their pairwise sums <= n. A326083

a(n) = floor(n²/2). A7590

Numbers that are the sum of 2 positive 4th powers. A3336

Numbers that are the sum of 9 positive 5th powers. A3354

a(n) = A276086(A003415(n)), where A003415 is the arithmetic derivative, and A276086 is the primorial base exp-function. A327859

a(n) = A276086(A276086(n)), where A276086 is the primorial base exp-function. A276087