Properties of the Number 1249

One Thousand Two Hundred Forty-Nine

Basics

Value: 1248 → 1249 → 1250

Parity: odd

Prime: Yes

Previous Prime: 1237

Next Prime: 1259

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 1249

Divisors: 1, 1249

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011100001

Octal: 2341

Duodecimal: 881

Hexadecimal: 4e1

Square: 1560001

Square Root: 35.34119409414458

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

Number of partitions of n into parts each of which is used a different number of times. A98859

Primes congruent to 1 (mod 12). A68228

Primes of form 8n+1, that is, primes congruent to 1 mod 8. A7519

a(n) = 2·n² - 1. A56220

Egyptian fraction expansion of sqrt(3). A224231

Primes of form 10·k + 9. A30433

Primes p such that the decimal expansion of its base-9 conversion is also prime. A65727

Number of partitions of n into squarefree parts. A73576

Primes with 7 as smallest primitive root. A1126

Primes of the form x²+Ny², with N=102. A139643