Properties of the Number 2455

Two Thousand Four Hundred Fifty-Five

Basics

Value: 2454 → 2455 → 2456

Parity: odd

Prime: No

Previous Prime: 2447

Next Prime: 2459

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 5 × 491

Divisors: 1, 5, 491, 2455

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 100110010111

Octal: 4627

Duodecimal: 1507

Hexadecimal: 997

Square: 6027025

Square Root: 49.54795656734998

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

Expansion of 1/((1-x)²*∏_k>=1 (1-x^k)). A14153

Numbers k such that 2^k - k² is prime. A72180

Number of primes in the interval [prime(n), prime(n)²]. A54272

Number of integer partitions of n where no part is 2^k times any other part, for any k > 0. A323093

a(n) = ∑_{k=prime(n)..prime(n+1)-1} k, with a(0) = 1. A371201

Number of partitions of n containing a clique of size 9. A183566

a(n) = n² + n + 5. A27690

Number of primes < square root of n!. A133228

Number of integer partitions of n whose number of submultisets is greater than n. A325831

Number of integer partitions y of n whose rank Sum_i 2^y_i-1 is prime. A372688